163940280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^4\times {\mathrm{569}}^1$

素因数の和:611

約数の個数: 160

約数和(自身を含む): 574765200

約数和(自身を除く): 410824920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 569, 588, 686, 735, 840, 980, 1029, 1138, 1176, 1372, 1470, 1707, 1715, 1960, 2058, 2276, 2401, 2744, 2845, 2940, 3414, 3430, 3983, 4116, 4552, 4802, 5145, 5690, 5880, 6828, 6860, 7203, 7966, 8232, 8535, 9604, 10290, 11380, 11949, 12005, 13656, 13720, 14406, 15932, 17070, 19208, 19915, 20580, 22760, 23898, 24010, 27881, 28812, 31864, 34140, 36015, 39830, 41160, 47796, 48020, 55762, 57624, 59745, 68280, 72030, 79660, 83643, 95592, 96040, 111524, 119490, 139405, 144060, 159320, 167286, 195167, 223048, 238980, 278810, 288120, 334572, 390334, 418215, 477960, 557620, 585501, 669144, 780668, 836430, 975835, 1115240, 1171002, 1366169, 1561336, 1672860, 1951670, 2342004, 2732338, 2927505, 3345720, 3903340, 4098507, 4684008, 5464676, 5855010, 6830845, 7806680, 8197014, 10929352, 11710020, 13661690, 16394028, 20492535, 23420040, 27323380, 32788056, 40985070, 54646760, 81970140, 163940280]

約数ペア:

[(1, 163940280), (2, 81970140), (3, 54646760), (4, 40985070), (5, 32788056), (6, 27323380), (7, 23420040), (8, 20492535), (10, 16394028), (12, 13661690), (14, 11710020), (15, 10929352), (20, 8197014), (21, 7806680), (24, 6830845), (28, 5855010), (30, 5464676), (35, 4684008), (40, 4098507), (42, 3903340), (49, 3345720), (56, 2927505), (60, 2732338), (70, 2342004), (84, 1951670), (98, 1672860), (105, 1561336), (120, 1366169), (140, 1171002), (147, 1115240), (168, 975835), (196, 836430), (210, 780668), (245, 669144), (280, 585501), (294, 557620), (343, 477960), (392, 418215), (420, 390334), (490, 334572), (569, 288120), (588, 278810), (686, 238980), (735, 223048), (840, 195167), (980, 167286), (1029, 159320), (1138, 144060), (1176, 139405), (1372, 119490), (1470, 111524), (1707, 96040), (1715, 95592), (1960, 83643), (2058, 79660), (2276, 72030), (2401, 68280), (2744, 59745), (2845, 57624), (2940, 55762), (3414, 48020), (3430, 47796), (3983, 41160), (4116, 39830), (4552, 36015), (4802, 34140), (5145, 31864), (5690, 28812), (5880, 27881), (6828, 24010), (6860, 23898), (7203, 22760), (7966, 20580), (8232, 19915), (8535, 19208), (9604, 17070), (10290, 15932), (11380, 14406), (11949, 13720), (12005, 13656)]