78544440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1291}}^1$

素因数の和:1334

約数の個数: 144

約数和(自身を含む): 276630120

約数和(自身を除く): 198085680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 169, 180, 195, 234, 260, 312, 338, 360, 390, 468, 507, 520, 585, 676, 780, 845, 936, 1014, 1170, 1291, 1352, 1521, 1560, 1690, 2028, 2340, 2535, 2582, 3042, 3380, 3873, 4056, 4680, 5070, 5164, 6084, 6455, 6760, 7605, 7746, 10140, 10328, 11619, 12168, 12910, 15210, 15492, 16783, 19365, 20280, 23238, 25820, 30420, 30984, 33566, 38730, 46476, 50349, 51640, 58095, 60840, 67132, 77460, 83915, 92952, 100698, 116190, 134264, 151047, 154920, 167830, 201396, 218179, 232380, 251745, 302094, 335660, 402792, 436358, 464760, 503490, 604188, 654537, 671320, 755235, 872716, 1006980, 1090895, 1208376, 1309074, 1510470, 1745432, 1963611, 2013960, 2181790, 2618148, 3020940, 3272685, 3927222, 4363580, 5236296, 6041880, 6545370, 7854444, 8727160, 9818055, 13090740, 15708888, 19636110, 26181480, 39272220, 78544440]

約数ペア:

[(1, 78544440), (2, 39272220), (3, 26181480), (4, 19636110), (5, 15708888), (6, 13090740), (8, 9818055), (9, 8727160), (10, 7854444), (12, 6545370), (13, 6041880), (15, 5236296), (18, 4363580), (20, 3927222), (24, 3272685), (26, 3020940), (30, 2618148), (36, 2181790), (39, 2013960), (40, 1963611), (45, 1745432), (52, 1510470), (60, 1309074), (65, 1208376), (72, 1090895), (78, 1006980), (90, 872716), (104, 755235), (117, 671320), (120, 654537), (130, 604188), (156, 503490), (169, 464760), (180, 436358), (195, 402792), (234, 335660), (260, 302094), (312, 251745), (338, 232380), (360, 218179), (390, 201396), (468, 167830), (507, 154920), (520, 151047), (585, 134264), (676, 116190), (780, 100698), (845, 92952), (936, 83915), (1014, 77460), (1170, 67132), (1291, 60840), (1352, 58095), (1521, 51640), (1560, 50349), (1690, 46476), (2028, 38730), (2340, 33566), (2535, 30984), (2582, 30420), (3042, 25820), (3380, 23238), (3873, 20280), (4056, 19365), (4680, 16783), (5070, 15492), (5164, 15210), (6084, 12910), (6455, 12168), (6760, 11619), (7605, 10328), (7746, 10140)]