215915544

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 240

約数和(自身を含む): 697047120

約数和(自身を除く): 481131576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 27, 36, 38, 39, 52, 54, 57, 71, 72, 76, 78, 81, 104, 108, 114, 117, 142, 152, 156, 162, 171, 213, 216, 228, 234, 247, 284, 312, 324, 342, 351, 361, 426, 456, 468, 494, 513, 568, 639, 648, 684, 702, 722, 741, 852, 923, 936, 988, 1026, 1053, 1083, 1278, 1349, 1368, 1404, 1444, 1482, 1539, 1704, 1846, 1917, 1976, 2052, 2106, 2166, 2223, 2556, 2698, 2769, 2808, 2888, 2964, 3078, 3249, 3692, 3834, 4047, 4104, 4212, 4332, 4446, 4693, 5112, 5396, 5538, 5751, 5928, 6156, 6498, 6669, 7384, 7668, 8094, 8307, 8424, 8664, 8892, 9386, 9747, 10792, 11076, 11502, 12141, 12312, 12996, 13338, 14079, 15336, 16188, 16614, 17537, 17784, 18772, 19494, 20007, 22152, 23004, 24282, 24921, 25631, 25992, 26676, 28158, 29241, 32376, 33228, 35074, 36423, 37544, 38988, 40014, 42237, 46008, 48564, 49842, 51262, 52611, 53352, 56316, 58482, 66456, 70148, 72846, 74763, 76893, 77976, 80028, 84474, 97128, 99684, 102524, 105222, 109269, 112632, 116964, 126711, 140296, 145692, 149526, 153786, 157833, 160056, 168948, 199368, 205048, 210444, 218538, 230679, 233928, 253422, 291384, 299052, 307572, 315666, 333203, 337896, 380133, 420888, 437076, 461358, 473499, 506844, 598104, 615144, 631332, 666406, 692037, 760266, 874152, 922716, 946998, 999609, 1013688, 1262664, 1332812, 1384074, 1420497, 1520532, 1845432, 1893996, 1999218, 2076111, 2665624, 2768148, 2840994, 2998827, 3041064, 3787992, 3998436, 4152222, 5536296, 5681988, 5997654, 7996872, 8304444, 8996481, 11363976, 11995308, 16608888, 17992962, 23990616, 26989443, 35985924, 53978886, 71971848, 107957772, 215915544]

約数ペア:

[(1, 215915544), (2, 107957772), (3, 71971848), (4, 53978886), (6, 35985924), (8, 26989443), (9, 23990616), (12, 17992962), (13, 16608888), (18, 11995308), (19, 11363976), (24, 8996481), (26, 8304444), (27, 7996872), (36, 5997654), (38, 5681988), (39, 5536296), (52, 4152222), (54, 3998436), (57, 3787992), (71, 3041064), (72, 2998827), (76, 2840994), (78, 2768148), (81, 2665624), (104, 2076111), (108, 1999218), (114, 1893996), (117, 1845432), (142, 1520532), (152, 1420497), (156, 1384074), (162, 1332812), (171, 1262664), (213, 1013688), (216, 999609), (228, 946998), (234, 922716), (247, 874152), (284, 760266), (312, 692037), (324, 666406), (342, 631332), (351, 615144), (361, 598104), (426, 506844), (456, 473499), (468, 461358), (494, 437076), (513, 420888), (568, 380133), (639, 337896), (648, 333203), (684, 315666), (702, 307572), (722, 299052), (741, 291384), (852, 253422), (923, 233928), (936, 230679), (988, 218538), (1026, 210444), (1053, 205048), (1083, 199368), (1278, 168948), (1349, 160056), (1368, 157833), (1404, 153786), (1444, 149526), (1482, 145692), (1539, 140296), (1704, 126711), (1846, 116964), (1917, 112632), (1976, 109269), (2052, 105222), (2106, 102524), (2166, 99684), (2223, 97128), (2556, 84474), (2698, 80028), (2769, 77976), (2808, 76893), (2888, 74763), (2964, 72846), (3078, 70148), (3249, 66456), (3692, 58482), (3834, 56316), (4047, 53352), (4104, 52611), (4212, 51262), (4332, 49842), (4446, 48564), (4693, 46008), (5112, 42237), (5396, 40014), (5538, 38988), (5751, 37544), (5928, 36423), (6156, 35074), (6498, 33228), (6669, 32376), (7384, 29241), (7668, 28158), (8094, 26676), (8307, 25992), (8424, 25631), (8664, 24921), (8892, 24282), (9386, 23004), (9747, 22152), (10792, 20007), (11076, 19494), (11502, 18772), (12141, 17784), (12312, 17537), (12996, 16614), (13338, 16188), (14079, 15336)]