278769360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:557

約数の個数: 160

約数和(自身を含む): 904227840

約数和(自身を除く): 625458480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 89, 93, 120, 124, 155, 178, 186, 240, 248, 267, 310, 356, 372, 421, 445, 465, 496, 534, 620, 712, 744, 842, 890, 930, 1068, 1240, 1263, 1335, 1424, 1488, 1684, 1780, 1860, 2105, 2136, 2480, 2526, 2670, 2759, 3368, 3560, 3720, 4210, 4272, 5052, 5340, 5518, 6315, 6736, 7120, 7440, 8277, 8420, 10104, 10680, 11036, 12630, 13051, 13795, 16554, 16840, 20208, 21360, 22072, 25260, 26102, 27590, 33108, 33680, 37469, 39153, 41385, 44144, 50520, 52204, 55180, 65255, 66216, 74938, 78306, 82770, 101040, 104408, 110360, 112407, 130510, 132432, 149876, 156612, 165540, 187345, 195765, 208816, 220720, 224814, 261020, 299752, 313224, 331080, 374690, 391530, 449628, 522040, 562035, 599504, 626448, 662160, 749380, 783060, 899256, 1044080, 1124070, 1161539, 1498760, 1566120, 1798512, 2248140, 2323078, 2997520, 3132240, 3484617, 4496280, 4646156, 5807695, 6969234, 8992560, 9292312, 11615390, 13938468, 17423085, 18584624, 23230780, 27876936, 34846170, 46461560, 55753872, 69692340, 92923120, 139384680, 278769360]

約数ペア:

[(1, 278769360), (2, 139384680), (3, 92923120), (4, 69692340), (5, 55753872), (6, 46461560), (8, 34846170), (10, 27876936), (12, 23230780), (15, 18584624), (16, 17423085), (20, 13938468), (24, 11615390), (30, 9292312), (31, 8992560), (40, 6969234), (48, 5807695), (60, 4646156), (62, 4496280), (80, 3484617), (89, 3132240), (93, 2997520), (120, 2323078), (124, 2248140), (155, 1798512), (178, 1566120), (186, 1498760), (240, 1161539), (248, 1124070), (267, 1044080), (310, 899256), (356, 783060), (372, 749380), (421, 662160), (445, 626448), (465, 599504), (496, 562035), (534, 522040), (620, 449628), (712, 391530), (744, 374690), (842, 331080), (890, 313224), (930, 299752), (1068, 261020), (1240, 224814), (1263, 220720), (1335, 208816), (1424, 195765), (1488, 187345), (1684, 165540), (1780, 156612), (1860, 149876), (2105, 132432), (2136, 130510), (2480, 112407), (2526, 110360), (2670, 104408), (2759, 101040), (3368, 82770), (3560, 78306), (3720, 74938), (4210, 66216), (4272, 65255), (5052, 55180), (5340, 52204), (5518, 50520), (6315, 44144), (6736, 41385), (7120, 39153), (7440, 37469), (8277, 33680), (8420, 33108), (10104, 27590), (10680, 26102), (11036, 25260), (12630, 22072), (13051, 21360), (13795, 20208), (16554, 16840)]