218987160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13721}}^1$

素因数の和:13761

約数の個数: 128

約数和(自身を含む): 790387200

約数和(自身を除く): 571400040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 13721, 15960, 27442, 41163, 54884, 68605, 82326, 96047, 109768, 137210, 164652, 192094, 205815, 260699, 274420, 288141, 329304, 384188, 411630, 480235, 521398, 548840, 576282, 768376, 782097, 823260, 960470, 1042796, 1152564, 1303495, 1440705, 1564194, 1646520, 1824893, 1920940, 2085592, 2305128, 2606990, 2881410, 3128388, 3649786, 3841880, 3910485, 5213980, 5474679, 5762820, 6256776, 7299572, 7820970, 9124465, 10427960, 10949358, 11525640, 14599144, 15641940, 18248930, 21898716, 27373395, 31283880, 36497860, 43797432, 54746790, 72995720, 109493580, 218987160]

約数ペア:

[(1, 218987160), (2, 109493580), (3, 72995720), (4, 54746790), (5, 43797432), (6, 36497860), (7, 31283880), (8, 27373395), (10, 21898716), (12, 18248930), (14, 15641940), (15, 14599144), (19, 11525640), (20, 10949358), (21, 10427960), (24, 9124465), (28, 7820970), (30, 7299572), (35, 6256776), (38, 5762820), (40, 5474679), (42, 5213980), (56, 3910485), (57, 3841880), (60, 3649786), (70, 3128388), (76, 2881410), (84, 2606990), (95, 2305128), (105, 2085592), (114, 1920940), (120, 1824893), (133, 1646520), (140, 1564194), (152, 1440705), (168, 1303495), (190, 1152564), (210, 1042796), (228, 960470), (266, 823260), (280, 782097), (285, 768376), (380, 576282), (399, 548840), (420, 521398), (456, 480235), (532, 411630), (570, 384188), (665, 329304), (760, 288141), (798, 274420), (840, 260699), (1064, 205815), (1140, 192094), (1330, 164652), (1596, 137210), (1995, 109768), (2280, 96047), (2660, 82326), (3192, 68605), (3990, 54884), (5320, 41163), (7980, 27442), (13721, 15960)]