129831720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2053}}^1$

素因数の和:2115

約数の個数: 128

約数和(自身を含む): 425917440

約数和(自身を除く): 296085720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 510, 527, 620, 680, 744, 930, 1020, 1054, 1240, 1581, 1860, 2040, 2053, 2108, 2635, 3162, 3720, 4106, 4216, 5270, 6159, 6324, 7905, 8212, 10265, 10540, 12318, 12648, 15810, 16424, 20530, 21080, 24636, 30795, 31620, 34901, 41060, 49272, 61590, 63240, 63643, 69802, 82120, 104703, 123180, 127286, 139604, 174505, 190929, 209406, 246360, 254572, 279208, 318215, 349010, 381858, 418812, 509144, 523515, 636430, 698020, 763716, 837624, 954645, 1047030, 1081931, 1272860, 1396040, 1527432, 1909290, 2094060, 2163862, 2545720, 3245793, 3818580, 4188120, 4327724, 5409655, 6491586, 7637160, 8655448, 10819310, 12983172, 16228965, 21638620, 25966344, 32457930, 43277240, 64915860, 129831720]

約数ペア:

[(1, 129831720), (2, 64915860), (3, 43277240), (4, 32457930), (5, 25966344), (6, 21638620), (8, 16228965), (10, 12983172), (12, 10819310), (15, 8655448), (17, 7637160), (20, 6491586), (24, 5409655), (30, 4327724), (31, 4188120), (34, 3818580), (40, 3245793), (51, 2545720), (60, 2163862), (62, 2094060), (68, 1909290), (85, 1527432), (93, 1396040), (102, 1272860), (120, 1081931), (124, 1047030), (136, 954645), (155, 837624), (170, 763716), (186, 698020), (204, 636430), (248, 523515), (255, 509144), (310, 418812), (340, 381858), (372, 349010), (408, 318215), (465, 279208), (510, 254572), (527, 246360), (620, 209406), (680, 190929), (744, 174505), (930, 139604), (1020, 127286), (1054, 123180), (1240, 104703), (1581, 82120), (1860, 69802), (2040, 63643), (2053, 63240), (2108, 61590), (2635, 49272), (3162, 41060), (3720, 34901), (4106, 31620), (4216, 30795), (5270, 24636), (6159, 21080), (6324, 20530), (7905, 16424), (8212, 15810), (10265, 12648), (10540, 12318)]