1251012400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:228

約数の個数: 240

約数和(自身を含む): 3431923200

約数和(自身を除く): 2180910800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 59, 61, 79, 80, 88, 100, 110, 118, 122, 158, 176, 200, 220, 236, 244, 275, 295, 305, 316, 395, 400, 440, 472, 488, 550, 590, 610, 632, 649, 671, 790, 869, 880, 944, 976, 1100, 1180, 1220, 1264, 1298, 1342, 1475, 1525, 1580, 1738, 1975, 2200, 2360, 2440, 2596, 2684, 2950, 3050, 3160, 3245, 3355, 3476, 3599, 3950, 4345, 4400, 4661, 4720, 4819, 4880, 5192, 5368, 5900, 6100, 6320, 6490, 6710, 6952, 7198, 7900, 8690, 9322, 9638, 10384, 10736, 11800, 12200, 12980, 13420, 13904, 14396, 15800, 16225, 16775, 17380, 17995, 18644, 19276, 21725, 23305, 23600, 24095, 24400, 25960, 26840, 28792, 31600, 32450, 33550, 34760, 35990, 37288, 38552, 39589, 43450, 46610, 48190, 51271, 51920, 53009, 53680, 57584, 64900, 67100, 69520, 71980, 74576, 77104, 79178, 86900, 89975, 93220, 96380, 102542, 106018, 116525, 120475, 129800, 134200, 143960, 158356, 173800, 179950, 186440, 192760, 197945, 205084, 212036, 233050, 240950, 256355, 259600, 265045, 268400, 284321, 287920, 316712, 347600, 359900, 372880, 385520, 395890, 410168, 424072, 466100, 481900, 512710, 530090, 568642, 633424, 719800, 791780, 820336, 848144, 932200, 963800, 989725, 1025420, 1060180, 1137284, 1281775, 1325225, 1421605, 1439600, 1583560, 1864400, 1927600, 1979450, 2050840, 2120360, 2274568, 2563550, 2650450, 2843210, 3127531, 3167120, 3958900, 4101680, 4240720, 4549136, 5127100, 5300900, 5686420, 6255062, 7108025, 7917800, 10254200, 10601800, 11372840, 12510124, 14216050, 15637655, 15835600, 20508400, 21203600, 22745680, 25020248, 28432100, 31275310, 50040496, 56864200, 62550620, 78188275, 113728400, 125101240, 156376550, 250202480, 312753100, 625506200, 1251012400]

約数ペア:

[(1, 1251012400), (2, 625506200), (4, 312753100), (5, 250202480), (8, 156376550), (10, 125101240), (11, 113728400), (16, 78188275), (20, 62550620), (22, 56864200), (25, 50040496), (40, 31275310), (44, 28432100), (50, 25020248), (55, 22745680), (59, 21203600), (61, 20508400), (79, 15835600), (80, 15637655), (88, 14216050), (100, 12510124), (110, 11372840), (118, 10601800), (122, 10254200), (158, 7917800), (176, 7108025), (200, 6255062), (220, 5686420), (236, 5300900), (244, 5127100), (275, 4549136), (295, 4240720), (305, 4101680), (316, 3958900), (395, 3167120), (400, 3127531), (440, 2843210), (472, 2650450), (488, 2563550), (550, 2274568), (590, 2120360), (610, 2050840), (632, 1979450), (649, 1927600), (671, 1864400), (790, 1583560), (869, 1439600), (880, 1421605), (944, 1325225), (976, 1281775), (1100, 1137284), (1180, 1060180), (1220, 1025420), (1264, 989725), (1298, 963800), (1342, 932200), (1475, 848144), (1525, 820336), (1580, 791780), (1738, 719800), (1975, 633424), (2200, 568642), (2360, 530090), (2440, 512710), (2596, 481900), (2684, 466100), (2950, 424072), (3050, 410168), (3160, 395890), (3245, 385520), (3355, 372880), (3476, 359900), (3599, 347600), (3950, 316712), (4345, 287920), (4400, 284321), (4661, 268400), (4720, 265045), (4819, 259600), (4880, 256355), (5192, 240950), (5368, 233050), (5900, 212036), (6100, 205084), (6320, 197945), (6490, 192760), (6710, 186440), (6952, 179950), (7198, 173800), (7900, 158356), (8690, 143960), (9322, 134200), (9638, 129800), (10384, 120475), (10736, 116525), (11800, 106018), (12200, 102542), (12980, 96380), (13420, 93220), (13904, 89975), (14396, 86900), (15800, 79178), (16225, 77104), (16775, 74576), (17380, 71980), (17995, 69520), (18644, 67100), (19276, 64900), (21725, 57584), (23305, 53680), (23600, 53009), (24095, 51920), (24400, 51271), (25960, 48190), (26840, 46610), (28792, 43450), (31600, 39589), (32450, 38552), (33550, 37288), (34760, 35990)]