290917680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^2$

素因数の和:415

約数の個数: 120

約数和(自身を含む): 931364496

約数和(自身を除く): 640446816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 181, 185, 222, 240, 296, 362, 370, 444, 543, 555, 592, 724, 740, 888, 905, 1086, 1110, 1448, 1480, 1776, 1810, 2172, 2220, 2715, 2896, 2960, 3620, 4344, 4440, 5430, 6697, 7240, 8688, 8880, 10860, 13394, 14480, 20091, 21720, 26788, 32761, 33485, 40182, 43440, 53576, 65522, 66970, 80364, 98283, 100455, 107152, 131044, 133940, 160728, 163805, 196566, 200910, 262088, 267880, 321456, 327610, 393132, 401820, 491415, 524176, 535760, 655220, 786264, 803640, 982830, 1212157, 1310440, 1572528, 1607280, 1965660, 2424314, 2620880, 3636471, 3931320, 4848628, 6060785, 7272942, 7862640, 9697256, 12121570, 14545884, 18182355, 19394512, 24243140, 29091768, 36364710, 48486280, 58183536, 72729420, 96972560, 145458840, 290917680]

約数ペア:

[(1, 290917680), (2, 145458840), (3, 96972560), (4, 72729420), (5, 58183536), (6, 48486280), (8, 36364710), (10, 29091768), (12, 24243140), (15, 19394512), (16, 18182355), (20, 14545884), (24, 12121570), (30, 9697256), (37, 7862640), (40, 7272942), (48, 6060785), (60, 4848628), (74, 3931320), (80, 3636471), (111, 2620880), (120, 2424314), (148, 1965660), (181, 1607280), (185, 1572528), (222, 1310440), (240, 1212157), (296, 982830), (362, 803640), (370, 786264), (444, 655220), (543, 535760), (555, 524176), (592, 491415), (724, 401820), (740, 393132), (888, 327610), (905, 321456), (1086, 267880), (1110, 262088), (1448, 200910), (1480, 196566), (1776, 163805), (1810, 160728), (2172, 133940), (2220, 131044), (2715, 107152), (2896, 100455), (2960, 98283), (3620, 80364), (4344, 66970), (4440, 65522), (5430, 53576), (6697, 43440), (7240, 40182), (8688, 33485), (8880, 32761), (10860, 26788), (13394, 21720), (14480, 20091)]