1291514560

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2657}}^1$

素因数の和:2719

約数の個数: 168

約数和(自身を含む): 3694322304

約数和(自身を除く): 2402807744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 320, 392, 434, 448, 490, 496, 560, 620, 784, 868, 980, 992, 1085, 1120, 1240, 1519, 1568, 1736, 1960, 1984, 2170, 2240, 2480, 2657, 3038, 3136, 3472, 3920, 4340, 4960, 5314, 6076, 6944, 7595, 7840, 8680, 9920, 10628, 12152, 13285, 13888, 15190, 15680, 17360, 18599, 21256, 24304, 26570, 30380, 34720, 37198, 42512, 48608, 53140, 60760, 69440, 74396, 82367, 85024, 92995, 97216, 106280, 121520, 130193, 148792, 164734, 170048, 185990, 212560, 243040, 260386, 297584, 329468, 371980, 411835, 425120, 486080, 520772, 576569, 595168, 650965, 658936, 743960, 823670, 850240, 1041544, 1153138, 1190336, 1301930, 1317872, 1487920, 1647340, 2083088, 2306276, 2603860, 2635744, 2882845, 2975840, 3294680, 4035983, 4166176, 4612552, 5207720, 5271488, 5765690, 5951680, 6589360, 8071966, 8332352, 9225104, 10415440, 11531380, 13178720, 16143932, 18450208, 20179915, 20830880, 23062760, 26357440, 32287864, 36900416, 40359830, 41661760, 46125520, 64575728, 80719660, 92251040, 129151456, 161439320, 184502080, 258302912, 322878640, 645757280, 1291514560]

約数ペア:

[(1, 1291514560), (2, 645757280), (4, 322878640), (5, 258302912), (7, 184502080), (8, 161439320), (10, 129151456), (14, 92251040), (16, 80719660), (20, 64575728), (28, 46125520), (31, 41661760), (32, 40359830), (35, 36900416), (40, 32287864), (49, 26357440), (56, 23062760), (62, 20830880), (64, 20179915), (70, 18450208), (80, 16143932), (98, 13178720), (112, 11531380), (124, 10415440), (140, 9225104), (155, 8332352), (160, 8071966), (196, 6589360), (217, 5951680), (224, 5765690), (245, 5271488), (248, 5207720), (280, 4612552), (310, 4166176), (320, 4035983), (392, 3294680), (434, 2975840), (448, 2882845), (490, 2635744), (496, 2603860), (560, 2306276), (620, 2083088), (784, 1647340), (868, 1487920), (980, 1317872), (992, 1301930), (1085, 1190336), (1120, 1153138), (1240, 1041544), (1519, 850240), (1568, 823670), (1736, 743960), (1960, 658936), (1984, 650965), (2170, 595168), (2240, 576569), (2480, 520772), (2657, 486080), (3038, 425120), (3136, 411835), (3472, 371980), (3920, 329468), (4340, 297584), (4960, 260386), (5314, 243040), (6076, 212560), (6944, 185990), (7595, 170048), (7840, 164734), (8680, 148792), (9920, 130193), (10628, 121520), (12152, 106280), (13285, 97216), (13888, 92995), (15190, 85024), (15680, 82367), (17360, 74396), (18599, 69440), (21256, 60760), (24304, 53140), (26570, 48608), (30380, 42512), (34720, 37198)]