863940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1$

素因数の和:58

約数の個数: 144

約数和(自身を含む): 3217536

約数和(自身を除く): 2353596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 17, 20, 21, 22, 28, 30, 33, 34, 35, 42, 44, 51, 55, 60, 66, 68, 70, 77, 84, 85, 102, 105, 110, 119, 121, 132, 140, 154, 165, 170, 187, 204, 210, 220, 231, 238, 242, 255, 308, 330, 340, 357, 363, 374, 385, 420, 462, 476, 484, 510, 561, 595, 605, 660, 714, 726, 748, 770, 847, 924, 935, 1020, 1122, 1155, 1190, 1210, 1309, 1428, 1452, 1540, 1694, 1785, 1815, 1870, 2057, 2244, 2310, 2380, 2420, 2541, 2618, 2805, 3388, 3570, 3630, 3740, 3927, 4114, 4235, 4620, 5082, 5236, 5610, 6171, 6545, 7140, 7260, 7854, 8228, 8470, 10164, 10285, 11220, 12342, 12705, 13090, 14399, 15708, 16940, 19635, 20570, 24684, 25410, 26180, 28798, 30855, 39270, 41140, 43197, 50820, 57596, 61710, 71995, 78540, 86394, 123420, 143990, 172788, 215985, 287980, 431970, 863940]

約数ペア:

[(1, 863940), (2, 431970), (3, 287980), (4, 215985), (5, 172788), (6, 143990), (7, 123420), (10, 86394), (11, 78540), (12, 71995), (14, 61710), (15, 57596), (17, 50820), (20, 43197), (21, 41140), (22, 39270), (28, 30855), (30, 28798), (33, 26180), (34, 25410), (35, 24684), (42, 20570), (44, 19635), (51, 16940), (55, 15708), (60, 14399), (66, 13090), (68, 12705), (70, 12342), (77, 11220), (84, 10285), (85, 10164), (102, 8470), (105, 8228), (110, 7854), (119, 7260), (121, 7140), (132, 6545), (140, 6171), (154, 5610), (165, 5236), (170, 5082), (187, 4620), (204, 4235), (210, 4114), (220, 3927), (231, 3740), (238, 3630), (242, 3570), (255, 3388), (308, 2805), (330, 2618), (340, 2541), (357, 2420), (363, 2380), (374, 2310), (385, 2244), (420, 2057), (462, 1870), (476, 1815), (484, 1785), (510, 1694), (561, 1540), (595, 1452), (605, 1428), (660, 1309), (714, 1210), (726, 1190), (748, 1155), (770, 1122), (847, 1020), (924, 935)]