251665960

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 256

約数和(自身を含む): 762048000

約数和(自身を除く): 510382040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 49, 52, 56, 65, 68, 70, 83, 85, 91, 98, 104, 119, 130, 136, 140, 166, 170, 182, 196, 221, 238, 245, 260, 280, 332, 340, 343, 364, 392, 415, 442, 455, 476, 490, 520, 581, 595, 637, 664, 680, 686, 728, 830, 833, 884, 910, 952, 980, 1079, 1105, 1162, 1190, 1274, 1372, 1411, 1547, 1660, 1666, 1715, 1768, 1820, 1960, 2158, 2210, 2324, 2380, 2548, 2744, 2822, 2905, 3094, 3185, 3320, 3332, 3430, 3640, 4067, 4165, 4316, 4420, 4459, 4648, 4760, 5096, 5395, 5644, 5810, 5831, 6188, 6370, 6664, 6860, 7055, 7553, 7735, 8134, 8330, 8632, 8840, 8918, 9877, 10790, 10829, 11288, 11620, 11662, 12376, 12740, 13720, 14110, 15106, 15470, 16268, 16660, 17836, 18343, 19754, 20335, 21580, 21658, 22295, 23240, 23324, 25480, 28220, 28469, 29155, 30212, 30940, 32536, 33320, 35672, 36686, 37765, 39508, 40670, 43160, 43316, 44590, 46648, 49385, 52871, 54145, 56440, 56938, 58310, 60424, 61880, 69139, 73372, 75530, 75803, 79016, 81340, 86632, 89180, 91715, 98770, 105742, 108290, 113876, 116620, 128401, 138278, 142345, 146744, 151060, 151606, 162680, 178360, 183430, 197540, 211484, 216580, 227752, 233240, 256802, 264355, 276556, 284690, 302120, 303212, 345695, 366860, 370097, 379015, 395080, 422968, 433160, 483973, 513604, 528710, 553112, 569380, 606424, 642005, 691390, 733720, 740194, 758030, 898807, 967946, 1027208, 1057420, 1138760, 1284010, 1382780, 1480388, 1516060, 1797614, 1850485, 1935892, 2114840, 2419865, 2568020, 2765560, 2960776, 3032120, 3595228, 3700970, 3871784, 4494035, 4839730, 5136040, 6291649, 7190456, 7401940, 8988070, 9679460, 12583298, 14803880, 17976140, 19358920, 25166596, 31458245, 35952280, 50333192, 62916490, 125832980, 251665960]

約数ペア:

[(1, 251665960), (2, 125832980), (4, 62916490), (5, 50333192), (7, 35952280), (8, 31458245), (10, 25166596), (13, 19358920), (14, 17976140), (17, 14803880), (20, 12583298), (26, 9679460), (28, 8988070), (34, 7401940), (35, 7190456), (40, 6291649), (49, 5136040), (52, 4839730), (56, 4494035), (65, 3871784), (68, 3700970), (70, 3595228), (83, 3032120), (85, 2960776), (91, 2765560), (98, 2568020), (104, 2419865), (119, 2114840), (130, 1935892), (136, 1850485), (140, 1797614), (166, 1516060), (170, 1480388), (182, 1382780), (196, 1284010), (221, 1138760), (238, 1057420), (245, 1027208), (260, 967946), (280, 898807), (332, 758030), (340, 740194), (343, 733720), (364, 691390), (392, 642005), (415, 606424), (442, 569380), (455, 553112), (476, 528710), (490, 513604), (520, 483973), (581, 433160), (595, 422968), (637, 395080), (664, 379015), (680, 370097), (686, 366860), (728, 345695), (830, 303212), (833, 302120), (884, 284690), (910, 276556), (952, 264355), (980, 256802), (1079, 233240), (1105, 227752), (1162, 216580), (1190, 211484), (1274, 197540), (1372, 183430), (1411, 178360), (1547, 162680), (1660, 151606), (1666, 151060), (1715, 146744), (1768, 142345), (1820, 138278), (1960, 128401), (2158, 116620), (2210, 113876), (2324, 108290), (2380, 105742), (2548, 98770), (2744, 91715), (2822, 89180), (2905, 86632), (3094, 81340), (3185, 79016), (3320, 75803), (3332, 75530), (3430, 73372), (3640, 69139), (4067, 61880), (4165, 60424), (4316, 58310), (4420, 56938), (4459, 56440), (4648, 54145), (4760, 52871), (5096, 49385), (5395, 46648), (5644, 44590), (5810, 43316), (5831, 43160), (6188, 40670), (6370, 39508), (6664, 37765), (6860, 36686), (7055, 35672), (7553, 33320), (7735, 32536), (8134, 30940), (8330, 30212), (8632, 29155), (8840, 28469), (8918, 28220), (9877, 25480), (10790, 23324), (10829, 23240), (11288, 22295), (11620, 21658), (11662, 21580), (12376, 20335), (12740, 19754), (13720, 18343), (14110, 17836), (15106, 16660), (15470, 16268)]