87465780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:646

約数の個数: 144

約数和(自身を含む): 284828544

約数和(自身を除く): 197362764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 37, 45, 46, 60, 69, 74, 90, 92, 111, 115, 138, 148, 180, 185, 207, 222, 230, 276, 333, 345, 370, 414, 444, 460, 555, 571, 666, 690, 740, 828, 851, 1035, 1110, 1142, 1332, 1380, 1665, 1702, 1713, 2070, 2220, 2284, 2553, 2855, 3330, 3404, 3426, 4140, 4255, 5106, 5139, 5710, 6660, 6852, 7659, 8510, 8565, 10212, 10278, 11420, 12765, 13133, 15318, 17020, 17130, 20556, 21127, 25530, 25695, 26266, 30636, 34260, 38295, 39399, 42254, 51060, 51390, 52532, 63381, 65665, 76590, 78798, 84508, 102780, 105635, 118197, 126762, 131330, 153180, 157596, 190143, 196995, 211270, 236394, 253524, 262660, 316905, 380286, 393990, 422540, 472788, 485921, 590985, 633810, 760572, 787980, 950715, 971842, 1181970, 1267620, 1457763, 1901430, 1943684, 2363940, 2429605, 2915526, 3802860, 4373289, 4859210, 5831052, 7288815, 8746578, 9718420, 14577630, 17493156, 21866445, 29155260, 43732890, 87465780]

約数ペア:

[(1, 87465780), (2, 43732890), (3, 29155260), (4, 21866445), (5, 17493156), (6, 14577630), (9, 9718420), (10, 8746578), (12, 7288815), (15, 5831052), (18, 4859210), (20, 4373289), (23, 3802860), (30, 2915526), (36, 2429605), (37, 2363940), (45, 1943684), (46, 1901430), (60, 1457763), (69, 1267620), (74, 1181970), (90, 971842), (92, 950715), (111, 787980), (115, 760572), (138, 633810), (148, 590985), (180, 485921), (185, 472788), (207, 422540), (222, 393990), (230, 380286), (276, 316905), (333, 262660), (345, 253524), (370, 236394), (414, 211270), (444, 196995), (460, 190143), (555, 157596), (571, 153180), (666, 131330), (690, 126762), (740, 118197), (828, 105635), (851, 102780), (1035, 84508), (1110, 78798), (1142, 76590), (1332, 65665), (1380, 63381), (1665, 52532), (1702, 51390), (1713, 51060), (2070, 42254), (2220, 39399), (2284, 38295), (2553, 34260), (2855, 30636), (3330, 26266), (3404, 25695), (3426, 25530), (4140, 21127), (4255, 20556), (5106, 17130), (5139, 17020), (5710, 15318), (6660, 13133), (6852, 12765), (7659, 11420), (8510, 10278), (8565, 10212)]