15105720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{367}}^1$

素因数の和:402

約数の個数: 128

約数和(自身を含む): 52992000

約数和(自身を除く): 37886280

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, 367, 392, 420, 490, 588, 686, 734, 735, 840, 980, 1029, 1101, 1176, 1372, 1468, 1470, 1715, 1835, 1960, 2058, 2202, 2569, 2744, 2936, 2940, 3430, 3670, 4116, 4404, 5138, 5145, 5505, 5880, 6860, 7340, 7707, 8232, 8808, 10276, 10290, 11010, 12845, 13720, 14680, 15414, 17983, 20552, 20580, 22020, 25690, 30828, 35966, 38535, 41160, 44040, 51380, 53949, 61656, 71932, 77070, 89915, 102760, 107898, 125881, 143864, 154140, 179830, 215796, 251762, 269745, 308280, 359660, 377643, 431592, 503524, 539490, 629405, 719320, 755286, 1007048, 1078980, 1258810, 1510572, 1888215, 2157960, 2517620, 3021144, 3776430, 5035240, 7552860, 15105720]

約数ペア:

[(1, 15105720), (2, 7552860), (3, 5035240), (4, 3776430), (5, 3021144), (6, 2517620), (7, 2157960), (8, 1888215), (10, 1510572), (12, 1258810), (14, 1078980), (15, 1007048), (20, 755286), (21, 719320), (24, 629405), (28, 539490), (30, 503524), (35, 431592), (40, 377643), (42, 359660), (49, 308280), (56, 269745), (60, 251762), (70, 215796), (84, 179830), (98, 154140), (105, 143864), (120, 125881), (140, 107898), (147, 102760), (168, 89915), (196, 77070), (210, 71932), (245, 61656), (280, 53949), (294, 51380), (343, 44040), (367, 41160), (392, 38535), (420, 35966), (490, 30828), (588, 25690), (686, 22020), (734, 20580), (735, 20552), (840, 17983), (980, 15414), (1029, 14680), (1101, 13720), (1176, 12845), (1372, 11010), (1468, 10290), (1470, 10276), (1715, 8808), (1835, 8232), (1960, 7707), (2058, 7340), (2202, 6860), (2569, 5880), (2744, 5505), (2936, 5145), (2940, 5138), (3430, 4404), (3670, 4116)]