61374420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:710

約数の個数: 144

約数和(自身を含む): 203793408

約数和(自身を除く): 142418988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 306, 310, 340, 372, 465, 510, 527, 558, 612, 620, 647, 765, 930, 1020, 1054, 1116, 1294, 1395, 1530, 1581, 1860, 1941, 2108, 2588, 2635, 2790, 3060, 3162, 3235, 3882, 4743, 5270, 5580, 5823, 6324, 6470, 7764, 7905, 9486, 9705, 10540, 10999, 11646, 12940, 15810, 18972, 19410, 20057, 21998, 23292, 23715, 29115, 31620, 32997, 38820, 40114, 43996, 47430, 54995, 58230, 60171, 65994, 80228, 94860, 98991, 100285, 109990, 116460, 120342, 131988, 164985, 180513, 197982, 200570, 219980, 240684, 300855, 329970, 340969, 361026, 395964, 401140, 494955, 601710, 659940, 681938, 722052, 902565, 989910, 1022907, 1203420, 1363876, 1704845, 1805130, 1979820, 2045814, 3068721, 3409690, 3610260, 4091628, 5114535, 6137442, 6819380, 10229070, 12274884, 15343605, 20458140, 30687210, 61374420]

約数ペア:

[(1, 61374420), (2, 30687210), (3, 20458140), (4, 15343605), (5, 12274884), (6, 10229070), (9, 6819380), (10, 6137442), (12, 5114535), (15, 4091628), (17, 3610260), (18, 3409690), (20, 3068721), (30, 2045814), (31, 1979820), (34, 1805130), (36, 1704845), (45, 1363876), (51, 1203420), (60, 1022907), (62, 989910), (68, 902565), (85, 722052), (90, 681938), (93, 659940), (102, 601710), (124, 494955), (153, 401140), (155, 395964), (170, 361026), (180, 340969), (186, 329970), (204, 300855), (255, 240684), (279, 219980), (306, 200570), (310, 197982), (340, 180513), (372, 164985), (465, 131988), (510, 120342), (527, 116460), (558, 109990), (612, 100285), (620, 98991), (647, 94860), (765, 80228), (930, 65994), (1020, 60171), (1054, 58230), (1116, 54995), (1294, 47430), (1395, 43996), (1530, 40114), (1581, 38820), (1860, 32997), (1941, 31620), (2108, 29115), (2588, 23715), (2635, 23292), (2790, 21998), (3060, 20057), (3162, 19410), (3235, 18972), (3882, 15810), (4743, 12940), (5270, 11646), (5580, 10999), (5823, 10540), (6324, 9705), (6470, 9486), (7764, 7905)]