240728180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 650172096

約数和(自身を除く): 409443916

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 137, 140, 154, 163, 196, 220, 245, 274, 308, 326, 385, 490, 539, 548, 652, 685, 770, 815, 959, 980, 1078, 1141, 1370, 1507, 1540, 1630, 1793, 1918, 2156, 2282, 2695, 2740, 3014, 3260, 3586, 3836, 4564, 4795, 5390, 5705, 6028, 6713, 7172, 7535, 7987, 8965, 9590, 10549, 10780, 11410, 12551, 13426, 15070, 15974, 17930, 19180, 21098, 22331, 22820, 25102, 26852, 30140, 31948, 33565, 35860, 39935, 42196, 44662, 50204, 52745, 62755, 67130, 73843, 79870, 87857, 89324, 105490, 111655, 125510, 134260, 147686, 156317, 159740, 175714, 210980, 223310, 245641, 251020, 295372, 312634, 351428, 369215, 439285, 446620, 491282, 625268, 738430, 781585, 878570, 982564, 1094219, 1228205, 1476860, 1563170, 1719487, 1757140, 2188438, 2456410, 3126340, 3438974, 4376876, 4912820, 5471095, 6877948, 8597435, 10942190, 12036409, 17194870, 21884380, 24072818, 34389740, 48145636, 60182045, 120364090, 240728180]

約数ペア:

[(1, 240728180), (2, 120364090), (4, 60182045), (5, 48145636), (7, 34389740), (10, 24072818), (11, 21884380), (14, 17194870), (20, 12036409), (22, 10942190), (28, 8597435), (35, 6877948), (44, 5471095), (49, 4912820), (55, 4376876), (70, 3438974), (77, 3126340), (98, 2456410), (110, 2188438), (137, 1757140), (140, 1719487), (154, 1563170), (163, 1476860), (196, 1228205), (220, 1094219), (245, 982564), (274, 878570), (308, 781585), (326, 738430), (385, 625268), (490, 491282), (539, 446620), (548, 439285), (652, 369215), (685, 351428), (770, 312634), (815, 295372), (959, 251020), (980, 245641), (1078, 223310), (1141, 210980), (1370, 175714), (1507, 159740), (1540, 156317), (1630, 147686), (1793, 134260), (1918, 125510), (2156, 111655), (2282, 105490), (2695, 89324), (2740, 87857), (3014, 79870), (3260, 73843), (3586, 67130), (3836, 62755), (4564, 52745), (4795, 50204), (5390, 44662), (5705, 42196), (6028, 39935), (6713, 35860), (7172, 33565), (7535, 31948), (7987, 30140), (8965, 26852), (9590, 25102), (10549, 22820), (10780, 22331), (11410, 21098), (12551, 19180), (13426, 17930), (15070, 15974)]