30875760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 240

約数和(自身を含む): 113936160

約数和(自身を除く): 83060400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 37, 38, 40, 45, 48, 57, 60, 61, 72, 74, 76, 80, 90, 95, 111, 114, 120, 122, 144, 148, 152, 171, 180, 183, 185, 190, 222, 228, 240, 244, 285, 296, 304, 305, 333, 342, 360, 366, 370, 380, 444, 456, 488, 549, 555, 570, 592, 610, 666, 684, 703, 720, 732, 740, 760, 855, 888, 912, 915, 976, 1098, 1110, 1140, 1159, 1220, 1332, 1368, 1406, 1464, 1480, 1520, 1665, 1710, 1776, 1830, 2109, 2196, 2220, 2257, 2280, 2318, 2440, 2664, 2736, 2745, 2812, 2928, 2960, 3330, 3420, 3477, 3515, 3660, 4218, 4392, 4440, 4514, 4560, 4636, 4880, 5328, 5490, 5624, 5795, 6327, 6660, 6771, 6840, 6954, 7030, 7320, 8436, 8784, 8880, 9028, 9272, 10431, 10545, 10980, 11248, 11285, 11590, 12654, 13320, 13542, 13680, 13908, 14060, 14640, 16872, 17385, 18056, 18544, 20313, 20862, 21090, 21960, 22570, 23180, 25308, 26640, 27084, 27816, 28120, 31635, 33744, 33855, 34770, 36112, 40626, 41724, 42180, 42883, 43920, 45140, 46360, 50616, 52155, 54168, 55632, 56240, 63270, 67710, 69540, 81252, 83448, 84360, 85766, 90280, 92720, 101232, 101565, 104310, 108336, 126540, 128649, 135420, 139080, 162504, 166896, 168720, 171532, 180560, 203130, 208620, 214415, 253080, 257298, 270840, 278160, 325008, 343064, 385947, 406260, 417240, 428830, 506160, 514596, 541680, 643245, 686128, 771894, 812520, 834480, 857660, 1029192, 1286490, 1543788, 1625040, 1715320, 1929735, 2058384, 2572980, 3087576, 3430640, 3859470, 5145960, 6175152, 7718940, 10291920, 15437880, 30875760]

約数ペア:

[(1, 30875760), (2, 15437880), (3, 10291920), (4, 7718940), (5, 6175152), (6, 5145960), (8, 3859470), (9, 3430640), (10, 3087576), (12, 2572980), (15, 2058384), (16, 1929735), (18, 1715320), (19, 1625040), (20, 1543788), (24, 1286490), (30, 1029192), (36, 857660), (37, 834480), (38, 812520), (40, 771894), (45, 686128), (48, 643245), (57, 541680), (60, 514596), (61, 506160), (72, 428830), (74, 417240), (76, 406260), (80, 385947), (90, 343064), (95, 325008), (111, 278160), (114, 270840), (120, 257298), (122, 253080), (144, 214415), (148, 208620), (152, 203130), (171, 180560), (180, 171532), (183, 168720), (185, 166896), (190, 162504), (222, 139080), (228, 135420), (240, 128649), (244, 126540), (285, 108336), (296, 104310), (304, 101565), (305, 101232), (333, 92720), (342, 90280), (360, 85766), (366, 84360), (370, 83448), (380, 81252), (444, 69540), (456, 67710), (488, 63270), (549, 56240), (555, 55632), (570, 54168), (592, 52155), (610, 50616), (666, 46360), (684, 45140), (703, 43920), (720, 42883), (732, 42180), (740, 41724), (760, 40626), (855, 36112), (888, 34770), (912, 33855), (915, 33744), (976, 31635), (1098, 28120), (1110, 27816), (1140, 27084), (1159, 26640), (1220, 25308), (1332, 23180), (1368, 22570), (1406, 21960), (1464, 21090), (1480, 20862), (1520, 20313), (1665, 18544), (1710, 18056), (1776, 17385), (1830, 16872), (2109, 14640), (2196, 14060), (2220, 13908), (2257, 13680), (2280, 13542), (2318, 13320), (2440, 12654), (2664, 11590), (2736, 11285), (2745, 11248), (2812, 10980), (2928, 10545), (2960, 10431), (3330, 9272), (3420, 9028), (3477, 8880), (3515, 8784), (3660, 8436), (4218, 7320), (4392, 7030), (4440, 6954), (4514, 6840), (4560, 6771), (4636, 6660), (4880, 6327), (5328, 5795), (5490, 5624)]