245807640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1074

約数の個数: 192

約数和(自身を含む): 877443840

約数和(自身を除く): 631636200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 53, 60, 65, 72, 78, 90, 104, 106, 117, 120, 130, 156, 159, 180, 195, 212, 234, 260, 265, 312, 318, 360, 390, 424, 468, 477, 520, 530, 585, 636, 689, 780, 795, 936, 954, 991, 1060, 1170, 1272, 1378, 1560, 1590, 1908, 1982, 2067, 2120, 2340, 2385, 2756, 2973, 3180, 3445, 3816, 3964, 4134, 4680, 4770, 4955, 5512, 5946, 6201, 6360, 6890, 7928, 8268, 8919, 9540, 9910, 10335, 11892, 12402, 12883, 13780, 14865, 16536, 17838, 19080, 19820, 20670, 23784, 24804, 25766, 27560, 29730, 31005, 35676, 38649, 39640, 41340, 44595, 49608, 51532, 52523, 59460, 62010, 64415, 71352, 77298, 82680, 89190, 103064, 105046, 115947, 118920, 124020, 128830, 154596, 157569, 178380, 193245, 210092, 231894, 248040, 257660, 262615, 309192, 315138, 356760, 386490, 420184, 463788, 472707, 515320, 525230, 579735, 630276, 682799, 772980, 787845, 927576, 945414, 1050460, 1159470, 1260552, 1365598, 1545960, 1575690, 1890828, 2048397, 2100920, 2318940, 2363535, 2731196, 3151380, 3413995, 3781656, 4096794, 4637880, 4727070, 5462392, 6145191, 6302760, 6827990, 8193588, 9454140, 10241985, 12290382, 13655980, 16387176, 18908280, 20483970, 24580764, 27311960, 30725955, 40967940, 49161528, 61451910, 81935880, 122903820, 245807640]

約数ペア:

[(1, 245807640), (2, 122903820), (3, 81935880), (4, 61451910), (5, 49161528), (6, 40967940), (8, 30725955), (9, 27311960), (10, 24580764), (12, 20483970), (13, 18908280), (15, 16387176), (18, 13655980), (20, 12290382), (24, 10241985), (26, 9454140), (30, 8193588), (36, 6827990), (39, 6302760), (40, 6145191), (45, 5462392), (52, 4727070), (53, 4637880), (60, 4096794), (65, 3781656), (72, 3413995), (78, 3151380), (90, 2731196), (104, 2363535), (106, 2318940), (117, 2100920), (120, 2048397), (130, 1890828), (156, 1575690), (159, 1545960), (180, 1365598), (195, 1260552), (212, 1159470), (234, 1050460), (260, 945414), (265, 927576), (312, 787845), (318, 772980), (360, 682799), (390, 630276), (424, 579735), (468, 525230), (477, 515320), (520, 472707), (530, 463788), (585, 420184), (636, 386490), (689, 356760), (780, 315138), (795, 309192), (936, 262615), (954, 257660), (991, 248040), (1060, 231894), (1170, 210092), (1272, 193245), (1378, 178380), (1560, 157569), (1590, 154596), (1908, 128830), (1982, 124020), (2067, 118920), (2120, 115947), (2340, 105046), (2385, 103064), (2756, 89190), (2973, 82680), (3180, 77298), (3445, 71352), (3816, 64415), (3964, 62010), (4134, 59460), (4680, 52523), (4770, 51532), (4955, 49608), (5512, 44595), (5946, 41340), (6201, 39640), (6360, 38649), (6890, 35676), (7928, 31005), (8268, 29730), (8919, 27560), (9540, 25766), (9910, 24804), (10335, 23784), (11892, 20670), (12402, 19820), (12883, 19080), (13780, 17838), (14865, 16536)]