240883020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:941

約数の個数: 216

約数和(自身を含む): 878387328

約数和(自身を除く): 637504308

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, 49, 60, 62, 63, 70, 84, 90, 93, 98, 105, 124, 126, 140, 147, 155, 180, 186, 196, 210, 217, 245, 252, 279, 294, 310, 315, 372, 420, 434, 441, 465, 490, 558, 588, 620, 630, 651, 735, 868, 881, 882, 930, 980, 1085, 1116, 1260, 1302, 1395, 1470, 1519, 1762, 1764, 1860, 1953, 2170, 2205, 2604, 2643, 2790, 2940, 3038, 3255, 3524, 3906, 4340, 4405, 4410, 4557, 5286, 5580, 6076, 6167, 6510, 7595, 7812, 7929, 8810, 8820, 9114, 9765, 10572, 12334, 13020, 13215, 13671, 15190, 15858, 17620, 18228, 18501, 19530, 22785, 24668, 26430, 27311, 27342, 30380, 30835, 31716, 37002, 39060, 39645, 43169, 45570, 52860, 54622, 54684, 55503, 61670, 68355, 74004, 79290, 81933, 86338, 91140, 92505, 109244, 111006, 123340, 129507, 136555, 136710, 158580, 163866, 172676, 185010, 191177, 215845, 222012, 245799, 259014, 273110, 273420, 277515, 327732, 370020, 382354, 388521, 409665, 431690, 491598, 518028, 546220, 555030, 573531, 647535, 764708, 777042, 819330, 863380, 955885, 983196, 1110060, 1147062, 1228995, 1295070, 1338239, 1554084, 1638660, 1720593, 1911770, 1942605, 2294124, 2457990, 2590140, 2676478, 2867655, 3441186, 3823540, 3885210, 4014717, 4915980, 5352956, 5735310, 6691195, 6882372, 7770420, 8029434, 8602965, 11470620, 12044151, 13382390, 16058868, 17205930, 20073585, 24088302, 26764780, 34411860, 40147170, 48176604, 60220755, 80294340, 120441510, 240883020]

約数ペア:

[(1, 240883020), (2, 120441510), (3, 80294340), (4, 60220755), (5, 48176604), (6, 40147170), (7, 34411860), (9, 26764780), (10, 24088302), (12, 20073585), (14, 17205930), (15, 16058868), (18, 13382390), (20, 12044151), (21, 11470620), (28, 8602965), (30, 8029434), (31, 7770420), (35, 6882372), (36, 6691195), (42, 5735310), (45, 5352956), (49, 4915980), (60, 4014717), (62, 3885210), (63, 3823540), (70, 3441186), (84, 2867655), (90, 2676478), (93, 2590140), (98, 2457990), (105, 2294124), (124, 1942605), (126, 1911770), (140, 1720593), (147, 1638660), (155, 1554084), (180, 1338239), (186, 1295070), (196, 1228995), (210, 1147062), (217, 1110060), (245, 983196), (252, 955885), (279, 863380), (294, 819330), (310, 777042), (315, 764708), (372, 647535), (420, 573531), (434, 555030), (441, 546220), (465, 518028), (490, 491598), (558, 431690), (588, 409665), (620, 388521), (630, 382354), (651, 370020), (735, 327732), (868, 277515), (881, 273420), (882, 273110), (930, 259014), (980, 245799), (1085, 222012), (1116, 215845), (1260, 191177), (1302, 185010), (1395, 172676), (1470, 163866), (1519, 158580), (1762, 136710), (1764, 136555), (1860, 129507), (1953, 123340), (2170, 111006), (2205, 109244), (2604, 92505), (2643, 91140), (2790, 86338), (2940, 81933), (3038, 79290), (3255, 74004), (3524, 68355), (3906, 61670), (4340, 55503), (4405, 54684), (4410, 54622), (4557, 52860), (5286, 45570), (5580, 43169), (6076, 39645), (6167, 39060), (6510, 37002), (7595, 31716), (7812, 30835), (7929, 30380), (8810, 27342), (8820, 27311), (9114, 26430), (9765, 24668), (10572, 22785), (12334, 19530), (13020, 18501), (13215, 18228), (13671, 17620), (15190, 15858)]