17680845945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{461}}^1$

素因数の和:727

約数の個数: 128

約数和(自身を含む): 33977180160

約数和(自身を除く): 16296334215

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 59, 105, 123, 151, 177, 205, 287, 295, 413, 453, 461, 615, 755, 861, 885, 1057, 1239, 1383, 1435, 2065, 2265, 2305, 2419, 3171, 3227, 4305, 5285, 6191, 6195, 6915, 7257, 8909, 9681, 12095, 15855, 16135, 16933, 18573, 18901, 26727, 27199, 30955, 36285, 43337, 44545, 48405, 50799, 56703, 62363, 69611, 81597, 84665, 92865, 94505, 130011, 132307, 133635, 135995, 187089, 190393, 208833, 216685, 253995, 283515, 311815, 348055, 365269, 396921, 407985, 487277, 571179, 650055, 661535, 935445, 951965, 1044165, 1095807, 1115159, 1461831, 1826345, 1984605, 2436385, 2556883, 2854051, 2855895, 3345477, 4107049, 5479035, 5575795, 7309155, 7670649, 7806113, 8562153, 12321147, 12784415, 14270255, 16727385, 19978357, 20535245, 23418339, 28749343, 38353245, 39030565, 42810765, 59935071, 61605735, 86248029, 99891785, 117091695, 143746715, 168389009, 299675355, 431240145, 505167027, 841945045, 1178723063, 2525835135, 3536169189, 5893615315, 17680845945]

約数ペア:

[(1, 17680845945), (3, 5893615315), (5, 3536169189), (7, 2525835135), (15, 1178723063), (21, 841945045), (35, 505167027), (41, 431240145), (59, 299675355), (105, 168389009), (123, 143746715), (151, 117091695), (177, 99891785), (205, 86248029), (287, 61605735), (295, 59935071), (413, 42810765), (453, 39030565), (461, 38353245), (615, 28749343), (755, 23418339), (861, 20535245), (885, 19978357), (1057, 16727385), (1239, 14270255), (1383, 12784415), (1435, 12321147), (2065, 8562153), (2265, 7806113), (2305, 7670649), (2419, 7309155), (3171, 5575795), (3227, 5479035), (4305, 4107049), (5285, 3345477), (6191, 2855895), (6195, 2854051), (6915, 2556883), (7257, 2436385), (8909, 1984605), (9681, 1826345), (12095, 1461831), (15855, 1115159), (16135, 1095807), (16933, 1044165), (18573, 951965), (18901, 935445), (26727, 661535), (27199, 650055), (30955, 571179), (36285, 487277), (43337, 407985), (44545, 396921), (48405, 365269), (50799, 348055), (56703, 311815), (62363, 283515), (69611, 253995), (81597, 216685), (84665, 208833), (92865, 190393), (94505, 187089), (130011, 135995), (132307, 133635)]