261569582660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1789}}^1\times {\mathrm{10399}}^1$

素因数の和:12253

約数の個数: 96

約数和(自身を含む): 594222720000

約数和(自身を除く): 332653137340

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 1789, 2812, 3515, 3578, 7030, 7156, 8945, 10399, 14060, 17890, 20798, 33991, 35780, 41596, 51995, 66193, 67982, 103990, 132386, 135964, 169955, 197581, 207980, 264772, 330965, 339910, 384763, 395162, 661930, 679820, 769526, 790324, 987905, 1257667, 1323860, 1539052, 1923815, 1975810, 2515334, 3847630, 3951620, 5030668, 6288335, 7310497, 7695260, 12576670, 14620994, 18603811, 25153340, 29241988, 36552485, 37207622, 73104970, 74415244, 93019055, 146209940, 186038110, 353472409, 372076220, 688341007, 706944818, 1376682014, 1413889636, 1767362045, 2753364028, 3441705035, 3534724090, 6883410070, 7069448180, 13078479133, 13766820140, 26156958266, 52313916532, 65392395665, 130784791330, 261569582660]

約数ペア:

[(1, 261569582660), (2, 130784791330), (4, 65392395665), (5, 52313916532), (10, 26156958266), (19, 13766820140), (20, 13078479133), (37, 7069448180), (38, 6883410070), (74, 3534724090), (76, 3441705035), (95, 2753364028), (148, 1767362045), (185, 1413889636), (190, 1376682014), (370, 706944818), (380, 688341007), (703, 372076220), (740, 353472409), (1406, 186038110), (1789, 146209940), (2812, 93019055), (3515, 74415244), (3578, 73104970), (7030, 37207622), (7156, 36552485), (8945, 29241988), (10399, 25153340), (14060, 18603811), (17890, 14620994), (20798, 12576670), (33991, 7695260), (35780, 7310497), (41596, 6288335), (51995, 5030668), (66193, 3951620), (67982, 3847630), (103990, 2515334), (132386, 1975810), (135964, 1923815), (169955, 1539052), (197581, 1323860), (207980, 1257667), (264772, 987905), (330965, 790324), (339910, 769526), (384763, 679820), (395162, 661930)]