690736860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20521}}^1$

素因数の和:20564

約数の個数: 144

約数和(自身を含む): 2420282592

約数和(自身を除く): 1729545732

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, 20521, 33660, 41042, 61563, 82084, 102605, 123126, 184689, 205210, 225731, 246252, 307815, 348857, 369378, 410420, 451462, 615630, 677193, 697714, 738756, 902924, 923445, 1046571, 1128655, 1231260, 1354386, 1395428, 1744285, 1846890, 2031579, 2093142, 2257310, 2708772, 3139713, 3385965, 3488570, 3693780, 3837427, 4063158, 4186284, 4514620, 5232855, 6279426, 6771930, 6977140, 7674854, 8126316, 10157895, 10465710, 11512281, 12558852, 13543860, 15349708, 15698565, 19187135, 20315790, 20931420, 23024562, 31397130, 34536843, 38374270, 40631580, 46049124, 57561405, 62794260, 69073686, 76748540, 115122810, 138147372, 172684215, 230245620, 345368430, 690736860]

約数ペア:

[(1, 690736860), (2, 345368430), (3, 230245620), (4, 172684215), (5, 138147372), (6, 115122810), (9, 76748540), (10, 69073686), (11, 62794260), (12, 57561405), (15, 46049124), (17, 40631580), (18, 38374270), (20, 34536843), (22, 31397130), (30, 23024562), (33, 20931420), (34, 20315790), (36, 19187135), (44, 15698565), (45, 15349708), (51, 13543860), (55, 12558852), (60, 11512281), (66, 10465710), (68, 10157895), (85, 8126316), (90, 7674854), (99, 6977140), (102, 6771930), (110, 6279426), (132, 5232855), (153, 4514620), (165, 4186284), (170, 4063158), (180, 3837427), (187, 3693780), (198, 3488570), (204, 3385965), (220, 3139713), (255, 2708772), (306, 2257310), (330, 2093142), (340, 2031579), (374, 1846890), (396, 1744285), (495, 1395428), (510, 1354386), (561, 1231260), (612, 1128655), (660, 1046571), (748, 923445), (765, 902924), (935, 738756), (990, 697714), (1020, 677193), (1122, 615630), (1530, 451462), (1683, 410420), (1870, 369378), (1980, 348857), (2244, 307815), (2805, 246252), (3060, 225731), (3366, 205210), (3740, 184689), (5610, 123126), (6732, 102605), (8415, 82084), (11220, 61563), (16830, 41042), (20521, 33660)]