225456840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{12781}}^1$

素因数の和:12812

約数の個数: 144

約数和(自身を含む): 852431580

約数和(自身を除く): 626974740

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 12781, 17640, 25562, 38343, 51124, 63905, 76686, 89467, 102248, 115029, 127810, 153372, 178934, 191715, 230058, 255620, 268401, 306744, 357868, 383430, 447335, 460116, 511240, 536802, 575145, 626269, 715736, 766860, 805203, 894670, 920232, 1073604, 1150290, 1252538, 1342005, 1533720, 1610406, 1789340, 1878807, 2147208, 2300580, 2505076, 2684010, 3131345, 3220812, 3578680, 3757614, 4026015, 4601160, 5010152, 5368020, 5636421, 6262690, 6441624, 7515228, 8052030, 9394035, 10736040, 11272842, 12525380, 15030456, 16104060, 18788070, 22545684, 25050760, 28182105, 32208120, 37576140, 45091368, 56364210, 75152280, 112728420, 225456840]

約数ペア:

[(1, 225456840), (2, 112728420), (3, 75152280), (4, 56364210), (5, 45091368), (6, 37576140), (7, 32208120), (8, 28182105), (9, 25050760), (10, 22545684), (12, 18788070), (14, 16104060), (15, 15030456), (18, 12525380), (20, 11272842), (21, 10736040), (24, 9394035), (28, 8052030), (30, 7515228), (35, 6441624), (36, 6262690), (40, 5636421), (42, 5368020), (45, 5010152), (49, 4601160), (56, 4026015), (60, 3757614), (63, 3578680), (70, 3220812), (72, 3131345), (84, 2684010), (90, 2505076), (98, 2300580), (105, 2147208), (120, 1878807), (126, 1789340), (140, 1610406), (147, 1533720), (168, 1342005), (180, 1252538), (196, 1150290), (210, 1073604), (245, 920232), (252, 894670), (280, 805203), (294, 766860), (315, 715736), (360, 626269), (392, 575145), (420, 536802), (441, 511240), (490, 460116), (504, 447335), (588, 383430), (630, 357868), (735, 306744), (840, 268401), (882, 255620), (980, 230058), (1176, 191715), (1260, 178934), (1470, 153372), (1764, 127810), (1960, 115029), (2205, 102248), (2520, 89467), (2940, 76686), (3528, 63905), (4410, 51124), (5880, 38343), (8820, 25562), (12781, 17640)]