1259998960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:659

約数の個数: 160

約数和(自身を含む): 3346660800

約数和(自身を除く): 2086661840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 97, 110, 116, 145, 176, 194, 220, 232, 290, 319, 388, 440, 464, 485, 509, 580, 638, 776, 880, 970, 1018, 1067, 1160, 1276, 1552, 1595, 1940, 2036, 2134, 2320, 2545, 2552, 2813, 3190, 3880, 4072, 4268, 5090, 5104, 5335, 5599, 5626, 6380, 7760, 8144, 8536, 10180, 10670, 11198, 11252, 12760, 14065, 14761, 17072, 20360, 21340, 22396, 22504, 25520, 27995, 28130, 29522, 30943, 40720, 42680, 44792, 45008, 49373, 55990, 56260, 59044, 61886, 73805, 85360, 89584, 98746, 111980, 112520, 118088, 123772, 147610, 154715, 162371, 197492, 223960, 225040, 236176, 246865, 247544, 295220, 309430, 324742, 394984, 447920, 493730, 495088, 543103, 590440, 618860, 649484, 789968, 811855, 987460, 1086206, 1180880, 1237720, 1298968, 1431817, 1623710, 1974920, 2172412, 2475440, 2597936, 2715515, 2863634, 3247420, 3949840, 4344824, 5431030, 5727268, 6494840, 7159085, 8689648, 10862060, 11454536, 12989680, 14318170, 15749987, 21724120, 22909072, 28636340, 31499974, 43448240, 57272680, 62999948, 78749935, 114545360, 125999896, 157499870, 251999792, 314999740, 629999480, 1259998960]

約数ペア:

[(1, 1259998960), (2, 629999480), (4, 314999740), (5, 251999792), (8, 157499870), (10, 125999896), (11, 114545360), (16, 78749935), (20, 62999948), (22, 57272680), (29, 43448240), (40, 31499974), (44, 28636340), (55, 22909072), (58, 21724120), (80, 15749987), (88, 14318170), (97, 12989680), (110, 11454536), (116, 10862060), (145, 8689648), (176, 7159085), (194, 6494840), (220, 5727268), (232, 5431030), (290, 4344824), (319, 3949840), (388, 3247420), (440, 2863634), (464, 2715515), (485, 2597936), (509, 2475440), (580, 2172412), (638, 1974920), (776, 1623710), (880, 1431817), (970, 1298968), (1018, 1237720), (1067, 1180880), (1160, 1086206), (1276, 987460), (1552, 811855), (1595, 789968), (1940, 649484), (2036, 618860), (2134, 590440), (2320, 543103), (2545, 495088), (2552, 493730), (2813, 447920), (3190, 394984), (3880, 324742), (4072, 309430), (4268, 295220), (5090, 247544), (5104, 246865), (5335, 236176), (5599, 225040), (5626, 223960), (6380, 197492), (7760, 162371), (8144, 154715), (8536, 147610), (10180, 123772), (10670, 118088), (11198, 112520), (11252, 111980), (12760, 98746), (14065, 89584), (14761, 85360), (17072, 73805), (20360, 61886), (21340, 59044), (22396, 56260), (22504, 55990), (25520, 49373), (27995, 45008), (28130, 44792), (29522, 42680), (30943, 40720)]