2015624960

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:774

約数の個数: 144

約数和(自身を含む): 5054730240

約数和(自身を除く): 3039105280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 124, 128, 155, 158, 160, 248, 256, 310, 316, 320, 395, 496, 620, 632, 640, 643, 790, 992, 1240, 1264, 1280, 1286, 1580, 1984, 2449, 2480, 2528, 2572, 3160, 3215, 3968, 4898, 4960, 5056, 5144, 6320, 6430, 7936, 9796, 9920, 10112, 10288, 12245, 12640, 12860, 19592, 19840, 19933, 20224, 20576, 24490, 25280, 25720, 39184, 39680, 39866, 41152, 48980, 50560, 50797, 51440, 78368, 79732, 82304, 97960, 99665, 101120, 101594, 102880, 156736, 159464, 164608, 195920, 199330, 203188, 205760, 253985, 313472, 318928, 391840, 398660, 406376, 411520, 507970, 626944, 637856, 783680, 797320, 812752, 823040, 1015940, 1275712, 1567360, 1574707, 1594640, 1625504, 2031880, 2551424, 3134720, 3149414, 3189280, 3251008, 4063760, 5102848, 6298828, 6378560, 6502016, 7873535, 8127520, 12597656, 12757120, 13004032, 15747070, 16255040, 25195312, 25514240, 31494140, 32510080, 50390624, 62988280, 65020160, 100781248, 125976560, 201562496, 251953120, 403124992, 503906240, 1007812480, 2015624960]

約数ペア:

[(1, 2015624960), (2, 1007812480), (4, 503906240), (5, 403124992), (8, 251953120), (10, 201562496), (16, 125976560), (20, 100781248), (31, 65020160), (32, 62988280), (40, 50390624), (62, 32510080), (64, 31494140), (79, 25514240), (80, 25195312), (124, 16255040), (128, 15747070), (155, 13004032), (158, 12757120), (160, 12597656), (248, 8127520), (256, 7873535), (310, 6502016), (316, 6378560), (320, 6298828), (395, 5102848), (496, 4063760), (620, 3251008), (632, 3189280), (640, 3149414), (643, 3134720), (790, 2551424), (992, 2031880), (1240, 1625504), (1264, 1594640), (1280, 1574707), (1286, 1567360), (1580, 1275712), (1984, 1015940), (2449, 823040), (2480, 812752), (2528, 797320), (2572, 783680), (3160, 637856), (3215, 626944), (3968, 507970), (4898, 411520), (4960, 406376), (5056, 398660), (5144, 391840), (6320, 318928), (6430, 313472), (7936, 253985), (9796, 205760), (9920, 203188), (10112, 199330), (10288, 195920), (12245, 164608), (12640, 159464), (12860, 156736), (19592, 102880), (19840, 101594), (19933, 101120), (20224, 99665), (20576, 97960), (24490, 82304), (25280, 79732), (25720, 78368), (39184, 51440), (39680, 50797), (39866, 50560), (41152, 48980)]