72878652

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 233985024

約数和(自身を除く): 161106372

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 61, 63, 66, 77, 84, 99, 122, 126, 132, 154, 183, 198, 231, 244, 252, 308, 366, 396, 427, 431, 462, 549, 671, 693, 732, 854, 862, 924, 1098, 1281, 1293, 1342, 1386, 1708, 1724, 2013, 2196, 2562, 2586, 2684, 2772, 3017, 3843, 3879, 4026, 4697, 4741, 5124, 5172, 6034, 6039, 7686, 7758, 8052, 9051, 9394, 9482, 12068, 12078, 14091, 14223, 15372, 15516, 18102, 18788, 18964, 24156, 26291, 27153, 28182, 28446, 33187, 36204, 42273, 42669, 52582, 54306, 56364, 56892, 66374, 78873, 84546, 85338, 99561, 105164, 108612, 132748, 157746, 169092, 170676, 184037, 199122, 236619, 289201, 298683, 315492, 368074, 398244, 473238, 552111, 578402, 597366, 736148, 867603, 946476, 1104222, 1156804, 1194732, 1656333, 1735206, 2024407, 2208444, 2602809, 3312666, 3470412, 4048814, 5205618, 6073221, 6625332, 8097628, 10411236, 12146442, 18219663, 24292884, 36439326, 72878652]

約数ペア:

[(1, 72878652), (2, 36439326), (3, 24292884), (4, 18219663), (6, 12146442), (7, 10411236), (9, 8097628), (11, 6625332), (12, 6073221), (14, 5205618), (18, 4048814), (21, 3470412), (22, 3312666), (28, 2602809), (33, 2208444), (36, 2024407), (42, 1735206), (44, 1656333), (61, 1194732), (63, 1156804), (66, 1104222), (77, 946476), (84, 867603), (99, 736148), (122, 597366), (126, 578402), (132, 552111), (154, 473238), (183, 398244), (198, 368074), (231, 315492), (244, 298683), (252, 289201), (308, 236619), (366, 199122), (396, 184037), (427, 170676), (431, 169092), (462, 157746), (549, 132748), (671, 108612), (693, 105164), (732, 99561), (854, 85338), (862, 84546), (924, 78873), (1098, 66374), (1281, 56892), (1293, 56364), (1342, 54306), (1386, 52582), (1708, 42669), (1724, 42273), (2013, 36204), (2196, 33187), (2562, 28446), (2586, 28182), (2684, 27153), (2772, 26291), (3017, 24156), (3843, 18964), (3879, 18788), (4026, 18102), (4697, 15516), (4741, 15372), (5124, 14223), (5172, 14091), (6034, 12078), (6039, 12068), (7686, 9482), (7758, 9394), (8052, 9051)]