80819388

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 236964000

約数和(自身を除く): 156144612

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 61, 76, 78, 114, 117, 122, 149, 156, 171, 183, 228, 234, 244, 247, 298, 342, 366, 447, 468, 494, 549, 596, 684, 732, 741, 793, 894, 988, 1098, 1159, 1341, 1482, 1586, 1788, 1937, 2196, 2223, 2318, 2379, 2682, 2831, 2964, 3172, 3477, 3874, 4446, 4636, 4758, 5364, 5662, 5811, 6954, 7137, 7748, 8493, 8892, 9089, 9516, 10431, 11324, 11622, 13908, 14274, 15067, 16986, 17433, 18178, 20862, 23244, 25479, 27267, 28548, 30134, 33972, 34866, 36356, 36803, 41724, 45201, 50958, 54534, 60268, 69732, 73606, 81801, 90402, 101916, 109068, 110409, 118157, 135603, 147212, 163602, 172691, 180804, 220818, 236314, 271206, 327204, 331227, 345382, 354471, 441636, 472628, 518073, 542412, 662454, 690764, 708942, 1036146, 1063413, 1324908, 1417884, 1554219, 2072292, 2126826, 2244983, 3108438, 4253652, 4489966, 6216876, 6734949, 8979932, 13469898, 20204847, 26939796, 40409694, 80819388]

約数ペア:

[(1, 80819388), (2, 40409694), (3, 26939796), (4, 20204847), (6, 13469898), (9, 8979932), (12, 6734949), (13, 6216876), (18, 4489966), (19, 4253652), (26, 3108438), (36, 2244983), (38, 2126826), (39, 2072292), (52, 1554219), (57, 1417884), (61, 1324908), (76, 1063413), (78, 1036146), (114, 708942), (117, 690764), (122, 662454), (149, 542412), (156, 518073), (171, 472628), (183, 441636), (228, 354471), (234, 345382), (244, 331227), (247, 327204), (298, 271206), (342, 236314), (366, 220818), (447, 180804), (468, 172691), (494, 163602), (549, 147212), (596, 135603), (684, 118157), (732, 110409), (741, 109068), (793, 101916), (894, 90402), (988, 81801), (1098, 73606), (1159, 69732), (1341, 60268), (1482, 54534), (1586, 50958), (1788, 45201), (1937, 41724), (2196, 36803), (2223, 36356), (2318, 34866), (2379, 33972), (2682, 30134), (2831, 28548), (2964, 27267), (3172, 25479), (3477, 23244), (3874, 20862), (4446, 18178), (4636, 17433), (4758, 16986), (5364, 15067), (5662, 14274), (5811, 13908), (6954, 11622), (7137, 11324), (7748, 10431), (8493, 9516), (8892, 9089)]