647221120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11113}}^1$

素因数の和:11152

約数の個数: 128

約数和(自身を含む): 1904495040

約数和(自身を除く): 1257273920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2912, 3640, 4160, 4480, 5824, 7280, 8320, 11113, 11648, 14560, 22226, 29120, 44452, 55565, 58240, 77791, 88904, 111130, 144469, 155582, 177808, 222260, 288938, 311164, 355616, 388955, 444520, 577876, 622328, 711232, 722345, 777910, 889040, 1011283, 1155752, 1244656, 1422464, 1444690, 1555820, 1778080, 2022566, 2311504, 2489312, 2889380, 3111640, 3556160, 4045132, 4623008, 4978624, 5056415, 5778760, 6223280, 7112320, 8090264, 9246016, 9957248, 10112830, 11557520, 12446560, 16180528, 18492032, 20225660, 23115040, 24893120, 32361056, 40451320, 46230080, 49786240, 64722112, 80902640, 92460160, 129444224, 161805280, 323610560, 647221120]

約数ペア:

[(1, 647221120), (2, 323610560), (4, 161805280), (5, 129444224), (7, 92460160), (8, 80902640), (10, 64722112), (13, 49786240), (14, 46230080), (16, 40451320), (20, 32361056), (26, 24893120), (28, 23115040), (32, 20225660), (35, 18492032), (40, 16180528), (52, 12446560), (56, 11557520), (64, 10112830), (65, 9957248), (70, 9246016), (80, 8090264), (91, 7112320), (104, 6223280), (112, 5778760), (128, 5056415), (130, 4978624), (140, 4623008), (160, 4045132), (182, 3556160), (208, 3111640), (224, 2889380), (260, 2489312), (280, 2311504), (320, 2022566), (364, 1778080), (416, 1555820), (448, 1444690), (455, 1422464), (520, 1244656), (560, 1155752), (640, 1011283), (728, 889040), (832, 777910), (896, 722345), (910, 711232), (1040, 622328), (1120, 577876), (1456, 444520), (1664, 388955), (1820, 355616), (2080, 311164), (2240, 288938), (2912, 222260), (3640, 177808), (4160, 155582), (4480, 144469), (5824, 111130), (7280, 88904), (8320, 77791), (11113, 58240), (11648, 55565), (14560, 44452), (22226, 29120)]