72442040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 189112320

約数和(自身を除く): 116670280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 47, 55, 62, 88, 94, 110, 113, 124, 155, 188, 220, 226, 235, 248, 310, 341, 376, 440, 452, 470, 517, 565, 620, 682, 904, 940, 1034, 1130, 1240, 1243, 1364, 1457, 1705, 1880, 2068, 2260, 2486, 2585, 2728, 2914, 3410, 3503, 4136, 4520, 4972, 5170, 5311, 5828, 6215, 6820, 7006, 7285, 9944, 10340, 10622, 11656, 12430, 13640, 14012, 14570, 16027, 17515, 20680, 21244, 24860, 26555, 28024, 29140, 32054, 35030, 38533, 42488, 49720, 53110, 58280, 58421, 64108, 70060, 77066, 80135, 106220, 116842, 128216, 140120, 154132, 160270, 164641, 192665, 212440, 233684, 292105, 308264, 320540, 329282, 385330, 467368, 584210, 641080, 658564, 770660, 823205, 1168420, 1317128, 1541320, 1646410, 1811051, 2336840, 3292820, 3622102, 6585640, 7244204, 9055255, 14488408, 18110510, 36221020, 72442040]

約数ペア:

[(1, 72442040), (2, 36221020), (4, 18110510), (5, 14488408), (8, 9055255), (10, 7244204), (11, 6585640), (20, 3622102), (22, 3292820), (31, 2336840), (40, 1811051), (44, 1646410), (47, 1541320), (55, 1317128), (62, 1168420), (88, 823205), (94, 770660), (110, 658564), (113, 641080), (124, 584210), (155, 467368), (188, 385330), (220, 329282), (226, 320540), (235, 308264), (248, 292105), (310, 233684), (341, 212440), (376, 192665), (440, 164641), (452, 160270), (470, 154132), (517, 140120), (565, 128216), (620, 116842), (682, 106220), (904, 80135), (940, 77066), (1034, 70060), (1130, 64108), (1240, 58421), (1243, 58280), (1364, 53110), (1457, 49720), (1705, 42488), (1880, 38533), (2068, 35030), (2260, 32054), (2486, 29140), (2585, 28024), (2728, 26555), (2914, 24860), (3410, 21244), (3503, 20680), (4136, 17515), (4520, 16027), (4972, 14570), (5170, 14012), (5311, 13640), (5828, 12430), (6215, 11656), (6820, 10622), (7006, 10340), (7285, 9944)]