2021325280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:357

約数の個数: 192

約数和(自身を含む): 5315284800

約数和(自身を除く): 3293959520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 65, 80, 89, 104, 122, 130, 160, 178, 179, 208, 244, 260, 305, 356, 358, 416, 445, 488, 520, 610, 712, 716, 793, 890, 895, 976, 1040, 1157, 1220, 1424, 1432, 1586, 1780, 1790, 1952, 2080, 2314, 2327, 2440, 2848, 2864, 3172, 3560, 3580, 3965, 4628, 4654, 4880, 5429, 5728, 5785, 6344, 7120, 7160, 7930, 9256, 9308, 9760, 10858, 10919, 11570, 11635, 12688, 14240, 14320, 15860, 15931, 18512, 18616, 21716, 21838, 23140, 23270, 25376, 27145, 28640, 31720, 31862, 37024, 37232, 43432, 43676, 46280, 46540, 54290, 54595, 63440, 63724, 70577, 74464, 79655, 86864, 87352, 92560, 93080, 108580, 109190, 126880, 127448, 141154, 141947, 159310, 173728, 174704, 185120, 186160, 207103, 217160, 218380, 254896, 282308, 283894, 318620, 349408, 352885, 372320, 414206, 434320, 436760, 509792, 564616, 567788, 637240, 705770, 709735, 828412, 868640, 873520, 971791, 1035515, 1129232, 1135576, 1274480, 1411540, 1419470, 1656824, 1747040, 1943582, 2071030, 2258464, 2271152, 2548960, 2823080, 2838940, 3313648, 3887164, 4142060, 4542304, 4858955, 5646160, 5677880, 6627296, 7774328, 8284120, 9717910, 11292320, 11355760, 12633283, 15548656, 16568240, 19435820, 22711520, 25266566, 31097312, 33136480, 38871640, 50533132, 63166415, 77743280, 101066264, 126332830, 155486560, 202132528, 252665660, 404265056, 505331320, 1010662640, 2021325280]

約数ペア:

[(1, 2021325280), (2, 1010662640), (4, 505331320), (5, 404265056), (8, 252665660), (10, 202132528), (13, 155486560), (16, 126332830), (20, 101066264), (26, 77743280), (32, 63166415), (40, 50533132), (52, 38871640), (61, 33136480), (65, 31097312), (80, 25266566), (89, 22711520), (104, 19435820), (122, 16568240), (130, 15548656), (160, 12633283), (178, 11355760), (179, 11292320), (208, 9717910), (244, 8284120), (260, 7774328), (305, 6627296), (356, 5677880), (358, 5646160), (416, 4858955), (445, 4542304), (488, 4142060), (520, 3887164), (610, 3313648), (712, 2838940), (716, 2823080), (793, 2548960), (890, 2271152), (895, 2258464), (976, 2071030), (1040, 1943582), (1157, 1747040), (1220, 1656824), (1424, 1419470), (1432, 1411540), (1586, 1274480), (1780, 1135576), (1790, 1129232), (1952, 1035515), (2080, 971791), (2314, 873520), (2327, 868640), (2440, 828412), (2848, 709735), (2864, 705770), (3172, 637240), (3560, 567788), (3580, 564616), (3965, 509792), (4628, 436760), (4654, 434320), (4880, 414206), (5429, 372320), (5728, 352885), (5785, 349408), (6344, 318620), (7120, 283894), (7160, 282308), (7930, 254896), (9256, 218380), (9308, 217160), (9760, 207103), (10858, 186160), (10919, 185120), (11570, 174704), (11635, 173728), (12688, 159310), (14240, 141947), (14320, 141154), (15860, 127448), (15931, 126880), (18512, 109190), (18616, 108580), (21716, 93080), (21838, 92560), (23140, 87352), (23270, 86864), (25376, 79655), (27145, 74464), (28640, 70577), (31720, 63724), (31862, 63440), (37024, 54595), (37232, 54290), (43432, 46540), (43676, 46280)]