980373760

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^2\times {\mathrm{797}}^1$

素因数の和:880

約数の個数: 108

約数和(自身を含む): 2429541324

約数和(自身を除く): 1449167564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 797, 961, 992, 1240, 1280, 1594, 1922, 1984, 2480, 3188, 3844, 3968, 3985, 4805, 4960, 6376, 7688, 7936, 7970, 9610, 9920, 12752, 15376, 15940, 19220, 19840, 24707, 25504, 30752, 31880, 38440, 39680, 49414, 51008, 61504, 63760, 76880, 98828, 102016, 123008, 123535, 127520, 153760, 197656, 204032, 246016, 247070, 255040, 307520, 395312, 494140, 510080, 615040, 765917, 790624, 988280, 1020160, 1230080, 1531834, 1581248, 1976560, 3063668, 3162496, 3829585, 3953120, 6127336, 6324992, 7659170, 7906240, 12254672, 15318340, 15812480, 24509344, 30636680, 31624960, 49018688, 61273360, 98037376, 122546720, 196074752, 245093440, 490186880, 980373760]

約数ペア:

[(1, 980373760), (2, 490186880), (4, 245093440), (5, 196074752), (8, 122546720), (10, 98037376), (16, 61273360), (20, 49018688), (31, 31624960), (32, 30636680), (40, 24509344), (62, 15812480), (64, 15318340), (80, 12254672), (124, 7906240), (128, 7659170), (155, 6324992), (160, 6127336), (248, 3953120), (256, 3829585), (310, 3162496), (320, 3063668), (496, 1976560), (620, 1581248), (640, 1531834), (797, 1230080), (961, 1020160), (992, 988280), (1240, 790624), (1280, 765917), (1594, 615040), (1922, 510080), (1984, 494140), (2480, 395312), (3188, 307520), (3844, 255040), (3968, 247070), (3985, 246016), (4805, 204032), (4960, 197656), (6376, 153760), (7688, 127520), (7936, 123535), (7970, 123008), (9610, 102016), (9920, 98828), (12752, 76880), (15376, 63760), (15940, 61504), (19220, 51008), (19840, 49414), (24707, 39680), (25504, 38440), (30752, 31880)]