181731420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2099}}^1$

素因数の和:2164

約数の個数: 144

約数和(自身を含む): 609991200

約数和(自身を除く): 428259780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 37, 39, 45, 52, 60, 65, 74, 78, 90, 111, 117, 130, 148, 156, 180, 185, 195, 222, 234, 260, 333, 370, 390, 444, 468, 481, 555, 585, 666, 740, 780, 962, 1110, 1170, 1332, 1443, 1665, 1924, 2099, 2220, 2340, 2405, 2886, 3330, 4198, 4329, 4810, 5772, 6297, 6660, 7215, 8396, 8658, 9620, 10495, 12594, 14430, 17316, 18891, 20990, 21645, 25188, 27287, 28860, 31485, 37782, 41980, 43290, 54574, 62970, 75564, 77663, 81861, 86580, 94455, 109148, 125940, 136435, 155326, 163722, 188910, 232989, 245583, 272870, 310652, 327444, 377820, 388315, 409305, 465978, 491166, 545740, 698967, 776630, 818610, 931956, 982332, 1009619, 1164945, 1227915, 1397934, 1553260, 1637220, 2019238, 2329890, 2455830, 2795868, 3028857, 3494835, 4038476, 4659780, 4911660, 5048095, 6057714, 6989670, 9086571, 10096190, 12115428, 13979340, 15144285, 18173142, 20192380, 30288570, 36346284, 45432855, 60577140, 90865710, 181731420]

約数ペア:

[(1, 181731420), (2, 90865710), (3, 60577140), (4, 45432855), (5, 36346284), (6, 30288570), (9, 20192380), (10, 18173142), (12, 15144285), (13, 13979340), (15, 12115428), (18, 10096190), (20, 9086571), (26, 6989670), (30, 6057714), (36, 5048095), (37, 4911660), (39, 4659780), (45, 4038476), (52, 3494835), (60, 3028857), (65, 2795868), (74, 2455830), (78, 2329890), (90, 2019238), (111, 1637220), (117, 1553260), (130, 1397934), (148, 1227915), (156, 1164945), (180, 1009619), (185, 982332), (195, 931956), (222, 818610), (234, 776630), (260, 698967), (333, 545740), (370, 491166), (390, 465978), (444, 409305), (468, 388315), (481, 377820), (555, 327444), (585, 310652), (666, 272870), (740, 245583), (780, 232989), (962, 188910), (1110, 163722), (1170, 155326), (1332, 136435), (1443, 125940), (1665, 109148), (1924, 94455), (2099, 86580), (2220, 81861), (2340, 77663), (2405, 75564), (2886, 62970), (3330, 54574), (4198, 43290), (4329, 41980), (4810, 37782), (5772, 31485), (6297, 28860), (6660, 27287), (7215, 25188), (8396, 21645), (8658, 20990), (9620, 18891), (10495, 17316), (12594, 14430)]