251595720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:170

約数の個数: 320

約数和(自身を含む): 918244800

約数和(自身を除く): 666649080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 61, 67, 72, 76, 81, 90, 95, 108, 114, 120, 122, 134, 135, 152, 162, 171, 180, 183, 190, 201, 216, 228, 244, 268, 270, 285, 305, 324, 335, 342, 360, 366, 380, 402, 405, 456, 488, 513, 536, 540, 549, 570, 603, 610, 648, 670, 684, 732, 760, 804, 810, 855, 915, 1005, 1026, 1080, 1098, 1140, 1159, 1206, 1220, 1273, 1340, 1368, 1464, 1539, 1608, 1620, 1647, 1710, 1809, 1830, 2010, 2052, 2196, 2280, 2318, 2412, 2440, 2546, 2565, 2680, 2745, 3015, 3078, 3240, 3294, 3420, 3477, 3618, 3660, 3819, 4020, 4087, 4104, 4392, 4636, 4824, 4941, 5092, 5130, 5427, 5490, 5795, 6030, 6156, 6365, 6588, 6840, 6954, 7236, 7320, 7638, 7695, 8040, 8174, 8235, 9045, 9272, 9882, 10184, 10260, 10431, 10854, 10980, 11457, 11590, 12060, 12261, 12312, 12730, 13176, 13908, 14472, 15276, 15390, 16348, 16470, 17385, 18090, 19095, 19764, 20435, 20520, 20862, 21708, 21960, 22914, 23180, 24120, 24522, 24705, 25460, 27135, 27816, 30552, 30780, 31293, 32696, 32940, 34371, 34770, 36180, 36783, 38190, 39528, 40870, 41724, 43416, 45828, 46360, 49044, 49410, 50920, 52155, 54270, 57285, 61305, 61560, 62586, 65880, 68742, 69540, 72360, 73566, 76380, 77653, 81740, 83448, 91656, 93879, 98088, 98820, 103113, 104310, 108540, 110349, 114570, 122610, 125172, 137484, 139080, 147132, 152760, 155306, 156465, 163480, 171855, 183915, 187758, 197640, 206226, 208620, 217080, 220698, 229140, 232959, 245220, 250344, 274968, 294264, 310612, 312930, 331047, 343710, 367830, 375516, 388265, 412452, 417240, 441396, 458280, 465918, 469395, 490440, 515565, 551745, 621224, 625860, 662094, 687420, 698877, 735660, 751032, 776530, 824904, 882792, 931836, 938790, 1031130, 1103490, 1164795, 1251720, 1324188, 1374840, 1397754, 1471320, 1553060, 1655235, 1863672, 1877580, 2062260, 2096631, 2206980, 2329590, 2648376, 2795508, 3106120, 3310470, 3494385, 3755160, 4124520, 4193262, 4413960, 4659180, 5591016, 6289893, 6620940, 6988770, 8386524, 9318360, 10483155, 12579786, 13241880, 13977540, 16773048, 20966310, 25159572, 27955080, 31449465, 41932620, 50319144, 62898930, 83865240, 125797860, 251595720]

約数ペア:

[(1, 251595720), (2, 125797860), (3, 83865240), (4, 62898930), (5, 50319144), (6, 41932620), (8, 31449465), (9, 27955080), (10, 25159572), (12, 20966310), (15, 16773048), (18, 13977540), (19, 13241880), (20, 12579786), (24, 10483155), (27, 9318360), (30, 8386524), (36, 6988770), (38, 6620940), (40, 6289893), (45, 5591016), (54, 4659180), (57, 4413960), (60, 4193262), (61, 4124520), (67, 3755160), (72, 3494385), (76, 3310470), (81, 3106120), (90, 2795508), (95, 2648376), (108, 2329590), (114, 2206980), (120, 2096631), (122, 2062260), (134, 1877580), (135, 1863672), (152, 1655235), (162, 1553060), (171, 1471320), (180, 1397754), (183, 1374840), (190, 1324188), (201, 1251720), (216, 1164795), (228, 1103490), (244, 1031130), (268, 938790), (270, 931836), (285, 882792), (305, 824904), (324, 776530), (335, 751032), (342, 735660), (360, 698877), (366, 687420), (380, 662094), (402, 625860), (405, 621224), (456, 551745), (488, 515565), (513, 490440), (536, 469395), (540, 465918), (549, 458280), (570, 441396), (603, 417240), (610, 412452), (648, 388265), (670, 375516), (684, 367830), (732, 343710), (760, 331047), (804, 312930), (810, 310612), (855, 294264), (915, 274968), (1005, 250344), (1026, 245220), (1080, 232959), (1098, 229140), (1140, 220698), (1159, 217080), (1206, 208620), (1220, 206226), (1273, 197640), (1340, 187758), (1368, 183915), (1464, 171855), (1539, 163480), (1608, 156465), (1620, 155306), (1647, 152760), (1710, 147132), (1809, 139080), (1830, 137484), (2010, 125172), (2052, 122610), (2196, 114570), (2280, 110349), (2318, 108540), (2412, 104310), (2440, 103113), (2546, 98820), (2565, 98088), (2680, 93879), (2745, 91656), (3015, 83448), (3078, 81740), (3240, 77653), (3294, 76380), (3420, 73566), (3477, 72360), (3618, 69540), (3660, 68742), (3819, 65880), (4020, 62586), (4087, 61560), (4104, 61305), (4392, 57285), (4636, 54270), (4824, 52155), (4941, 50920), (5092, 49410), (5130, 49044), (5427, 46360), (5490, 45828), (5795, 43416), (6030, 41724), (6156, 40870), (6365, 39528), (6588, 38190), (6840, 36783), (6954, 36180), (7236, 34770), (7320, 34371), (7638, 32940), (7695, 32696), (8040, 31293), (8174, 30780), (8235, 30552), (9045, 27816), (9272, 27135), (9882, 25460), (10184, 24705), (10260, 24522), (10431, 24120), (10854, 23180), (10980, 22914), (11457, 21960), (11590, 21708), (12060, 20862), (12261, 20520), (12312, 20435), (12730, 19764), (13176, 19095), (13908, 18090), (14472, 17385), (15276, 16470), (15390, 16348)]