781608420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:923

約数の個数: 192

約数和(自身を含む): 2552014080

約数和(自身を除く): 1770405660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 43, 45, 54, 60, 82, 86, 90, 108, 123, 129, 135, 164, 172, 180, 205, 215, 246, 258, 270, 369, 387, 410, 430, 492, 516, 540, 615, 645, 738, 774, 820, 821, 860, 1107, 1161, 1230, 1290, 1476, 1548, 1642, 1763, 1845, 1935, 2214, 2322, 2460, 2463, 2580, 3284, 3526, 3690, 3870, 4105, 4428, 4644, 4926, 5289, 5535, 5805, 7052, 7380, 7389, 7740, 8210, 8815, 9852, 10578, 11070, 11610, 12315, 14778, 15867, 16420, 17630, 21156, 22140, 22167, 23220, 24630, 26445, 29556, 31734, 33661, 35260, 35303, 36945, 44334, 47601, 49260, 52890, 63468, 67322, 70606, 73890, 79335, 88668, 95202, 100983, 105780, 105909, 110835, 134644, 141212, 147780, 158670, 168305, 176515, 190404, 201966, 211818, 221670, 238005, 302949, 317340, 317727, 336610, 353030, 403932, 423636, 443340, 476010, 504915, 529545, 605898, 635454, 673220, 706060, 908847, 952020, 953181, 1009830, 1059090, 1211796, 1270908, 1447423, 1514745, 1588635, 1817694, 1906362, 2019660, 2118180, 2894846, 3029490, 3177270, 3635388, 3812724, 4342269, 4544235, 4765905, 5789692, 6058980, 6354540, 7237115, 8684538, 9088470, 9531810, 13026807, 14474230, 17369076, 18176940, 19063620, 21711345, 26053614, 28948460, 39080421, 43422690, 52107228, 65134035, 78160842, 86845380, 130268070, 156321684, 195402105, 260536140, 390804210, 781608420]

約数ペア:

[(1, 781608420), (2, 390804210), (3, 260536140), (4, 195402105), (5, 156321684), (6, 130268070), (9, 86845380), (10, 78160842), (12, 65134035), (15, 52107228), (18, 43422690), (20, 39080421), (27, 28948460), (30, 26053614), (36, 21711345), (41, 19063620), (43, 18176940), (45, 17369076), (54, 14474230), (60, 13026807), (82, 9531810), (86, 9088470), (90, 8684538), (108, 7237115), (123, 6354540), (129, 6058980), (135, 5789692), (164, 4765905), (172, 4544235), (180, 4342269), (205, 3812724), (215, 3635388), (246, 3177270), (258, 3029490), (270, 2894846), (369, 2118180), (387, 2019660), (410, 1906362), (430, 1817694), (492, 1588635), (516, 1514745), (540, 1447423), (615, 1270908), (645, 1211796), (738, 1059090), (774, 1009830), (820, 953181), (821, 952020), (860, 908847), (1107, 706060), (1161, 673220), (1230, 635454), (1290, 605898), (1476, 529545), (1548, 504915), (1642, 476010), (1763, 443340), (1845, 423636), (1935, 403932), (2214, 353030), (2322, 336610), (2460, 317727), (2463, 317340), (2580, 302949), (3284, 238005), (3526, 221670), (3690, 211818), (3870, 201966), (4105, 190404), (4428, 176515), (4644, 168305), (4926, 158670), (5289, 147780), (5535, 141212), (5805, 134644), (7052, 110835), (7380, 105909), (7389, 105780), (7740, 100983), (8210, 95202), (8815, 88668), (9852, 79335), (10578, 73890), (11070, 70606), (11610, 67322), (12315, 63468), (14778, 52890), (15867, 49260), (16420, 47601), (17630, 44334), (21156, 36945), (22140, 35303), (22167, 35260), (23220, 33661), (24630, 31734), (26445, 29556)]