1021375600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:145

約数の個数: 270

約数和(自身を含む): 3020184672

約数和(自身を除く): 1998809072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 41, 49, 50, 56, 62, 70, 80, 82, 98, 100, 112, 124, 140, 155, 164, 175, 196, 200, 205, 217, 245, 248, 280, 287, 310, 328, 350, 392, 400, 410, 434, 490, 496, 560, 574, 620, 656, 700, 775, 784, 820, 868, 980, 1025, 1085, 1148, 1225, 1240, 1271, 1400, 1435, 1519, 1550, 1640, 1681, 1736, 1960, 2009, 2050, 2170, 2296, 2450, 2480, 2542, 2800, 2870, 3038, 3100, 3280, 3362, 3472, 3920, 4018, 4100, 4340, 4592, 4900, 5084, 5425, 5740, 6076, 6200, 6355, 6724, 7175, 7595, 8036, 8200, 8405, 8680, 8897, 9800, 10045, 10168, 10850, 11480, 11767, 12152, 12400, 12710, 13448, 14350, 15190, 16072, 16400, 16810, 17360, 17794, 19600, 20090, 20336, 21700, 22960, 23534, 24304, 25420, 26896, 28700, 30380, 31775, 32144, 33620, 35588, 37975, 40180, 42025, 43400, 44485, 47068, 50225, 50840, 52111, 57400, 58835, 60760, 62279, 63550, 67240, 71176, 75950, 80360, 82369, 84050, 86800, 88970, 94136, 100450, 101680, 104222, 114800, 117670, 121520, 124558, 127100, 134480, 142352, 151900, 160720, 164738, 168100, 177940, 188272, 200900, 208444, 222425, 235340, 249116, 254200, 260555, 294175, 303800, 311395, 329476, 336200, 355880, 364777, 401800, 411845, 416888, 444850, 470680, 498232, 508400, 521110, 588350, 607600, 622790, 658952, 672400, 711760, 729554, 803600, 823690, 833776, 889700, 941360, 996464, 1042220, 1176700, 1245580, 1302775, 1317904, 1459108, 1556975, 1647380, 1779400, 1823885, 2059225, 2084440, 2353400, 2491160, 2553439, 2605550, 2918216, 3113950, 3294760, 3558800, 3647770, 4118450, 4168880, 4706800, 4982320, 5106878, 5211100, 5836432, 6227900, 6589520, 7295540, 8236900, 9119425, 10213756, 10422200, 12455800, 12767195, 14591080, 16473800, 18238850, 20427512, 20844400, 24911600, 25534390, 29182160, 32947600, 36477700, 40855024, 51068780, 63835975, 72955400, 102137560, 127671950, 145910800, 204275120, 255343900, 510687800, 1021375600]

約数ペア:

[(1, 1021375600), (2, 510687800), (4, 255343900), (5, 204275120), (7, 145910800), (8, 127671950), (10, 102137560), (14, 72955400), (16, 63835975), (20, 51068780), (25, 40855024), (28, 36477700), (31, 32947600), (35, 29182160), (40, 25534390), (41, 24911600), (49, 20844400), (50, 20427512), (56, 18238850), (62, 16473800), (70, 14591080), (80, 12767195), (82, 12455800), (98, 10422200), (100, 10213756), (112, 9119425), (124, 8236900), (140, 7295540), (155, 6589520), (164, 6227900), (175, 5836432), (196, 5211100), (200, 5106878), (205, 4982320), (217, 4706800), (245, 4168880), (248, 4118450), (280, 3647770), (287, 3558800), (310, 3294760), (328, 3113950), (350, 2918216), (392, 2605550), (400, 2553439), (410, 2491160), (434, 2353400), (490, 2084440), (496, 2059225), (560, 1823885), (574, 1779400), (620, 1647380), (656, 1556975), (700, 1459108), (775, 1317904), (784, 1302775), (820, 1245580), (868, 1176700), (980, 1042220), (1025, 996464), (1085, 941360), (1148, 889700), (1225, 833776), (1240, 823690), (1271, 803600), (1400, 729554), (1435, 711760), (1519, 672400), (1550, 658952), (1640, 622790), (1681, 607600), (1736, 588350), (1960, 521110), (2009, 508400), (2050, 498232), (2170, 470680), (2296, 444850), (2450, 416888), (2480, 411845), (2542, 401800), (2800, 364777), (2870, 355880), (3038, 336200), (3100, 329476), (3280, 311395), (3362, 303800), (3472, 294175), (3920, 260555), (4018, 254200), (4100, 249116), (4340, 235340), (4592, 222425), (4900, 208444), (5084, 200900), (5425, 188272), (5740, 177940), (6076, 168100), (6200, 164738), (6355, 160720), (6724, 151900), (7175, 142352), (7595, 134480), (8036, 127100), (8200, 124558), (8405, 121520), (8680, 117670), (8897, 114800), (9800, 104222), (10045, 101680), (10168, 100450), (10850, 94136), (11480, 88970), (11767, 86800), (12152, 84050), (12400, 82369), (12710, 80360), (13448, 75950), (14350, 71176), (15190, 67240), (16072, 63550), (16400, 62279), (16810, 60760), (17360, 58835), (17794, 57400), (19600, 52111), (20090, 50840), (20336, 50225), (21700, 47068), (22960, 44485), (23534, 43400), (24304, 42025), (25420, 40180), (26896, 37975), (28700, 35588), (30380, 33620), (31775, 32144)]