621262620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{18457}}^1$

素因数の和:18500

約数の個数: 144

約数和(自身を含む): 2176862688

約数和(自身を除く): 1555600068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 60, 66, 68, 85, 90, 99, 102, 110, 132, 153, 165, 170, 180, 187, 198, 204, 220, 255, 306, 330, 340, 374, 396, 495, 510, 561, 612, 660, 748, 765, 935, 990, 1020, 1122, 1530, 1683, 1870, 1980, 2244, 2805, 3060, 3366, 3740, 5610, 6732, 8415, 11220, 16830, 18457, 33660, 36914, 55371, 73828, 92285, 110742, 166113, 184570, 203027, 221484, 276855, 313769, 332226, 369140, 406054, 553710, 609081, 627538, 664452, 812108, 830565, 941307, 1015135, 1107420, 1218162, 1255076, 1568845, 1661130, 1827243, 1882614, 2030270, 2436324, 2823921, 3045405, 3137690, 3322260, 3451459, 3654486, 3765228, 4060540, 4706535, 5647842, 6090810, 6275380, 6902918, 7308972, 9136215, 9413070, 10354377, 11295684, 12181620, 13805836, 14119605, 17257295, 18272430, 18826140, 20708754, 28239210, 31063131, 34514590, 36544860, 41417508, 51771885, 56478420, 62126262, 69029180, 103543770, 124252524, 155315655, 207087540, 310631310, 621262620]

約数ペア:

[(1, 621262620), (2, 310631310), (3, 207087540), (4, 155315655), (5, 124252524), (6, 103543770), (9, 69029180), (10, 62126262), (11, 56478420), (12, 51771885), (15, 41417508), (17, 36544860), (18, 34514590), (20, 31063131), (22, 28239210), (30, 20708754), (33, 18826140), (34, 18272430), (36, 17257295), (44, 14119605), (45, 13805836), (51, 12181620), (55, 11295684), (60, 10354377), (66, 9413070), (68, 9136215), (85, 7308972), (90, 6902918), (99, 6275380), (102, 6090810), (110, 5647842), (132, 4706535), (153, 4060540), (165, 3765228), (170, 3654486), (180, 3451459), (187, 3322260), (198, 3137690), (204, 3045405), (220, 2823921), (255, 2436324), (306, 2030270), (330, 1882614), (340, 1827243), (374, 1661130), (396, 1568845), (495, 1255076), (510, 1218162), (561, 1107420), (612, 1015135), (660, 941307), (748, 830565), (765, 812108), (935, 664452), (990, 627538), (1020, 609081), (1122, 553710), (1530, 406054), (1683, 369140), (1870, 332226), (1980, 313769), (2244, 276855), (2805, 221484), (3060, 203027), (3366, 184570), (3740, 166113), (5610, 110742), (6732, 92285), (8415, 73828), (11220, 55371), (16830, 36914), (18457, 33660)]