61742720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 163734480

約数和(自身を除く): 101991760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 128, 130, 160, 164, 181, 205, 208, 260, 320, 328, 362, 410, 416, 520, 533, 640, 656, 724, 820, 832, 905, 1040, 1066, 1312, 1448, 1640, 1664, 1810, 2080, 2132, 2353, 2624, 2665, 2896, 3280, 3620, 4160, 4264, 4706, 5248, 5330, 5792, 6560, 7240, 7421, 8320, 8528, 9412, 10660, 11584, 11765, 13120, 14480, 14842, 17056, 18824, 21320, 23168, 23530, 26240, 28960, 29684, 34112, 37105, 37648, 42640, 47060, 57920, 59368, 68224, 74210, 75296, 85280, 94120, 96473, 115840, 118736, 148420, 150592, 170560, 188240, 192946, 237472, 296840, 301184, 341120, 376480, 385892, 474944, 482365, 593680, 752960, 771784, 949888, 964730, 1187360, 1505920, 1543568, 1929460, 2374720, 3087136, 3858920, 4749440, 6174272, 7717840, 12348544, 15435680, 30871360, 61742720]

約数ペア:

[(1, 61742720), (2, 30871360), (4, 15435680), (5, 12348544), (8, 7717840), (10, 6174272), (13, 4749440), (16, 3858920), (20, 3087136), (26, 2374720), (32, 1929460), (40, 1543568), (41, 1505920), (52, 1187360), (64, 964730), (65, 949888), (80, 771784), (82, 752960), (104, 593680), (128, 482365), (130, 474944), (160, 385892), (164, 376480), (181, 341120), (205, 301184), (208, 296840), (260, 237472), (320, 192946), (328, 188240), (362, 170560), (410, 150592), (416, 148420), (520, 118736), (533, 115840), (640, 96473), (656, 94120), (724, 85280), (820, 75296), (832, 74210), (905, 68224), (1040, 59368), (1066, 57920), (1312, 47060), (1448, 42640), (1640, 37648), (1664, 37105), (1810, 34112), (2080, 29684), (2132, 28960), (2353, 26240), (2624, 23530), (2665, 23168), (2896, 21320), (3280, 18824), (3620, 17056), (4160, 14842), (4264, 14480), (4706, 13120), (5248, 11765), (5330, 11584), (5792, 10660), (6560, 9412), (7240, 8528), (7421, 8320)]