19908960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:133

約数の個数: 192

約数和(自身を含む): 68947200

約数和(自身を除く): 49038240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 37, 38, 40, 48, 57, 59, 60, 74, 76, 80, 95, 96, 111, 114, 118, 120, 148, 152, 160, 177, 185, 190, 222, 228, 236, 240, 285, 295, 296, 304, 354, 370, 380, 444, 456, 472, 480, 555, 570, 590, 592, 608, 703, 708, 740, 760, 885, 888, 912, 944, 1110, 1121, 1140, 1180, 1184, 1406, 1416, 1480, 1520, 1770, 1776, 1824, 1888, 2109, 2183, 2220, 2242, 2280, 2360, 2812, 2832, 2960, 3040, 3363, 3515, 3540, 3552, 4218, 4366, 4440, 4484, 4560, 4720, 5605, 5624, 5664, 5920, 6549, 6726, 7030, 7080, 8436, 8732, 8880, 8968, 9120, 9440, 10545, 10915, 11210, 11248, 13098, 13452, 14060, 14160, 16815, 16872, 17464, 17760, 17936, 21090, 21830, 22420, 22496, 26196, 26904, 28120, 28320, 32745, 33630, 33744, 34928, 35872, 41477, 42180, 43660, 44840, 52392, 53808, 56240, 65490, 67260, 67488, 69856, 82954, 84360, 87320, 89680, 104784, 107616, 112480, 124431, 130980, 134520, 165908, 168720, 174640, 179360, 207385, 209568, 248862, 261960, 269040, 331816, 337440, 349280, 414770, 497724, 523920, 538080, 622155, 663632, 829540, 995448, 1047840, 1244310, 1327264, 1659080, 1990896, 2488620, 3318160, 3981792, 4977240, 6636320, 9954480, 19908960]

約数ペア:

[(1, 19908960), (2, 9954480), (3, 6636320), (4, 4977240), (5, 3981792), (6, 3318160), (8, 2488620), (10, 1990896), (12, 1659080), (15, 1327264), (16, 1244310), (19, 1047840), (20, 995448), (24, 829540), (30, 663632), (32, 622155), (37, 538080), (38, 523920), (40, 497724), (48, 414770), (57, 349280), (59, 337440), (60, 331816), (74, 269040), (76, 261960), (80, 248862), (95, 209568), (96, 207385), (111, 179360), (114, 174640), (118, 168720), (120, 165908), (148, 134520), (152, 130980), (160, 124431), (177, 112480), (185, 107616), (190, 104784), (222, 89680), (228, 87320), (236, 84360), (240, 82954), (285, 69856), (295, 67488), (296, 67260), (304, 65490), (354, 56240), (370, 53808), (380, 52392), (444, 44840), (456, 43660), (472, 42180), (480, 41477), (555, 35872), (570, 34928), (590, 33744), (592, 33630), (608, 32745), (703, 28320), (708, 28120), (740, 26904), (760, 26196), (885, 22496), (888, 22420), (912, 21830), (944, 21090), (1110, 17936), (1121, 17760), (1140, 17464), (1180, 16872), (1184, 16815), (1406, 14160), (1416, 14060), (1480, 13452), (1520, 13098), (1770, 11248), (1776, 11210), (1824, 10915), (1888, 10545), (2109, 9440), (2183, 9120), (2220, 8968), (2242, 8880), (2280, 8732), (2360, 8436), (2812, 7080), (2832, 7030), (2960, 6726), (3040, 6549), (3363, 5920), (3515, 5664), (3540, 5624), (3552, 5605), (4218, 4720), (4366, 4560), (4440, 4484)]