308847420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7907}}^1$

素因数の和:7960

約数の個数: 144

約数和(自身を含む): 1105348608

約数和(自身を除く): 796501188

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5580, 6510, 7812, 7907, 9765, 13020, 15814, 19530, 23721, 31628, 39060, 39535, 47442, 55349, 71163, 79070, 94884, 110698, 118605, 142326, 158140, 166047, 221396, 237210, 245117, 276745, 284652, 332094, 355815, 474420, 490234, 498141, 553490, 664188, 711630, 735351, 830235, 980468, 996282, 1106980, 1225585, 1423260, 1470702, 1660470, 1715819, 1992564, 2206053, 2451170, 2490705, 2941404, 3320940, 3431638, 3676755, 4412106, 4902340, 4981410, 5147457, 6863276, 7353510, 8579095, 8824212, 9962820, 10294914, 11030265, 14707020, 15442371, 17158190, 20589828, 22060530, 25737285, 30884742, 34316380, 44121060, 51474570, 61769484, 77211855, 102949140, 154423710, 308847420]

約数ペア:

[(1, 308847420), (2, 154423710), (3, 102949140), (4, 77211855), (5, 61769484), (6, 51474570), (7, 44121060), (9, 34316380), (10, 30884742), (12, 25737285), (14, 22060530), (15, 20589828), (18, 17158190), (20, 15442371), (21, 14707020), (28, 11030265), (30, 10294914), (31, 9962820), (35, 8824212), (36, 8579095), (42, 7353510), (45, 6863276), (60, 5147457), (62, 4981410), (63, 4902340), (70, 4412106), (84, 3676755), (90, 3431638), (93, 3320940), (105, 2941404), (124, 2490705), (126, 2451170), (140, 2206053), (155, 1992564), (180, 1715819), (186, 1660470), (210, 1470702), (217, 1423260), (252, 1225585), (279, 1106980), (310, 996282), (315, 980468), (372, 830235), (420, 735351), (434, 711630), (465, 664188), (558, 553490), (620, 498141), (630, 490234), (651, 474420), (868, 355815), (930, 332094), (1085, 284652), (1116, 276745), (1260, 245117), (1302, 237210), (1395, 221396), (1860, 166047), (1953, 158140), (2170, 142326), (2604, 118605), (2790, 110698), (3255, 94884), (3906, 79070), (4340, 71163), (5580, 55349), (6510, 47442), (7812, 39535), (7907, 39060), (9765, 31628), (13020, 23721), (15814, 19530)]