31629720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 100440000

約数和(自身を除く): 68810280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 61, 87, 116, 120, 122, 145, 149, 174, 183, 232, 244, 290, 298, 305, 348, 366, 435, 447, 488, 580, 596, 610, 696, 732, 745, 870, 894, 915, 1160, 1192, 1220, 1464, 1490, 1740, 1769, 1788, 1830, 2235, 2440, 2980, 3480, 3538, 3576, 3660, 4321, 4470, 5307, 5960, 7076, 7320, 8642, 8845, 8940, 9089, 10614, 12963, 14152, 17284, 17690, 17880, 18178, 21228, 21605, 25926, 26535, 27267, 34568, 35380, 36356, 42456, 43210, 45445, 51852, 53070, 54534, 64815, 70760, 72712, 86420, 90890, 103704, 106140, 109068, 129630, 136335, 172840, 181780, 212280, 218136, 259260, 263581, 272670, 363560, 518520, 527162, 545340, 790743, 1054324, 1090680, 1317905, 1581486, 2108648, 2635810, 3162972, 3953715, 5271620, 6325944, 7907430, 10543240, 15814860, 31629720]

約数ペア:

[(1, 31629720), (2, 15814860), (3, 10543240), (4, 7907430), (5, 6325944), (6, 5271620), (8, 3953715), (10, 3162972), (12, 2635810), (15, 2108648), (20, 1581486), (24, 1317905), (29, 1090680), (30, 1054324), (40, 790743), (58, 545340), (60, 527162), (61, 518520), (87, 363560), (116, 272670), (120, 263581), (122, 259260), (145, 218136), (149, 212280), (174, 181780), (183, 172840), (232, 136335), (244, 129630), (290, 109068), (298, 106140), (305, 103704), (348, 90890), (366, 86420), (435, 72712), (447, 70760), (488, 64815), (580, 54534), (596, 53070), (610, 51852), (696, 45445), (732, 43210), (745, 42456), (870, 36356), (894, 35380), (915, 34568), (1160, 27267), (1192, 26535), (1220, 25926), (1464, 21605), (1490, 21228), (1740, 18178), (1769, 17880), (1788, 17690), (1830, 17284), (2235, 14152), (2440, 12963), (2980, 10614), (3480, 9089), (3538, 8940), (3576, 8845), (3660, 8642), (4321, 7320), (4470, 7076), (5307, 5960)]