212497740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12973}}^1$

素因数の和:13008

約数の個数: 144

約数和(自身を含む): 793386048

約数和(自身を除く): 580888308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 12973, 16380, 25946, 38919, 51892, 64865, 77838, 90811, 116757, 129730, 155676, 168649, 181622, 194595, 233514, 259460, 272433, 337298, 363244, 389190, 454055, 467028, 505947, 544866, 583785, 674596, 778380, 817299, 843245, 908110, 1011894, 1089732, 1167570, 1180543, 1362165, 1517841, 1634598, 1686490, 1816220, 2023788, 2335140, 2361086, 2529735, 2724330, 3035682, 3269196, 3372980, 3541629, 4086495, 4722172, 5059470, 5448660, 5902715, 6071364, 7083258, 7589205, 8172990, 10118940, 10624887, 11805430, 14166516, 15178410, 16345980, 17708145, 21249774, 23610860, 30356820, 35416290, 42499548, 53124435, 70832580, 106248870, 212497740]

約数ペア:

[(1, 212497740), (2, 106248870), (3, 70832580), (4, 53124435), (5, 42499548), (6, 35416290), (7, 30356820), (9, 23610860), (10, 21249774), (12, 17708145), (13, 16345980), (14, 15178410), (15, 14166516), (18, 11805430), (20, 10624887), (21, 10118940), (26, 8172990), (28, 7589205), (30, 7083258), (35, 6071364), (36, 5902715), (39, 5448660), (42, 5059470), (45, 4722172), (52, 4086495), (60, 3541629), (63, 3372980), (65, 3269196), (70, 3035682), (78, 2724330), (84, 2529735), (90, 2361086), (91, 2335140), (105, 2023788), (117, 1816220), (126, 1686490), (130, 1634598), (140, 1517841), (156, 1362165), (180, 1180543), (182, 1167570), (195, 1089732), (210, 1011894), (234, 908110), (252, 843245), (260, 817299), (273, 778380), (315, 674596), (364, 583785), (390, 544866), (420, 505947), (455, 467028), (468, 454055), (546, 389190), (585, 363244), (630, 337298), (780, 272433), (819, 259460), (910, 233514), (1092, 194595), (1170, 181622), (1260, 168649), (1365, 155676), (1638, 129730), (1820, 116757), (2340, 90811), (2730, 77838), (3276, 64865), (4095, 51892), (5460, 38919), (8190, 25946), (12973, 16380)]