2143440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:261

約数の個数: 120

約数和(自身を含む): 7785960

約数和(自身を除く): 5642520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 229, 234, 240, 260, 312, 360, 390, 458, 468, 520, 585, 624, 687, 720, 780, 916, 936, 1040, 1145, 1170, 1374, 1560, 1832, 1872, 2061, 2290, 2340, 2748, 2977, 3120, 3435, 3664, 4122, 4580, 4680, 5496, 5954, 6870, 8244, 8931, 9160, 9360, 10305, 10992, 11908, 13740, 14885, 16488, 17862, 18320, 20610, 23816, 26793, 27480, 29770, 32976, 35724, 41220, 44655, 47632, 53586, 54960, 59540, 71448, 82440, 89310, 107172, 119080, 133965, 142896, 164880, 178620, 214344, 238160, 267930, 357240, 428688, 535860, 714480, 1071720, 2143440]

約数ペア:

[(1, 2143440), (2, 1071720), (3, 714480), (4, 535860), (5, 428688), (6, 357240), (8, 267930), (9, 238160), (10, 214344), (12, 178620), (13, 164880), (15, 142896), (16, 133965), (18, 119080), (20, 107172), (24, 89310), (26, 82440), (30, 71448), (36, 59540), (39, 54960), (40, 53586), (45, 47632), (48, 44655), (52, 41220), (60, 35724), (65, 32976), (72, 29770), (78, 27480), (80, 26793), (90, 23816), (104, 20610), (117, 18320), (120, 17862), (130, 16488), (144, 14885), (156, 13740), (180, 11908), (195, 10992), (208, 10305), (229, 9360), (234, 9160), (240, 8931), (260, 8244), (312, 6870), (360, 5954), (390, 5496), (458, 4680), (468, 4580), (520, 4122), (585, 3664), (624, 3435), (687, 3120), (720, 2977), (780, 2748), (916, 2340), (936, 2290), (1040, 2061), (1145, 1872), (1170, 1832), (1374, 1560)]