72403920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{443}}^1$

素因数の和:689

約数の個数: 120

約数和(自身を含む): 244778976

約数和(自身を除く): 172375056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 227, 240, 360, 443, 454, 681, 720, 886, 908, 1135, 1329, 1362, 1772, 1816, 2043, 2215, 2270, 2658, 2724, 3405, 3544, 3632, 3987, 4086, 4430, 4540, 5316, 5448, 6645, 6810, 7088, 7974, 8172, 8860, 9080, 10215, 10632, 10896, 13290, 13620, 15948, 16344, 17720, 18160, 19935, 20430, 21264, 26580, 27240, 31896, 32688, 35440, 39870, 40860, 53160, 54480, 63792, 79740, 81720, 100561, 106320, 159480, 163440, 201122, 301683, 318960, 402244, 502805, 603366, 804488, 905049, 1005610, 1206732, 1508415, 1608976, 1810098, 2011220, 2413464, 3016830, 3620196, 4022440, 4525245, 4826928, 6033660, 7240392, 8044880, 9050490, 12067320, 14480784, 18100980, 24134640, 36201960, 72403920]

約数ペア:

[(1, 72403920), (2, 36201960), (3, 24134640), (4, 18100980), (5, 14480784), (6, 12067320), (8, 9050490), (9, 8044880), (10, 7240392), (12, 6033660), (15, 4826928), (16, 4525245), (18, 4022440), (20, 3620196), (24, 3016830), (30, 2413464), (36, 2011220), (40, 1810098), (45, 1608976), (48, 1508415), (60, 1206732), (72, 1005610), (80, 905049), (90, 804488), (120, 603366), (144, 502805), (180, 402244), (227, 318960), (240, 301683), (360, 201122), (443, 163440), (454, 159480), (681, 106320), (720, 100561), (886, 81720), (908, 79740), (1135, 63792), (1329, 54480), (1362, 53160), (1772, 40860), (1816, 39870), (2043, 35440), (2215, 32688), (2270, 31896), (2658, 27240), (2724, 26580), (3405, 21264), (3544, 20430), (3632, 19935), (3987, 18160), (4086, 17720), (4430, 16344), (4540, 15948), (5316, 13620), (5448, 13290), (6645, 10896), (6810, 10632), (7088, 10215), (7974, 9080), (8172, 8860)]