1445220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 144

約数和(自身を含む): 5311488

約数和(自身を除く): 3866268

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 37, 42, 45, 60, 62, 63, 70, 74, 84, 90, 93, 105, 111, 124, 126, 140, 148, 155, 180, 185, 186, 210, 217, 222, 252, 259, 279, 310, 315, 333, 370, 372, 420, 434, 444, 465, 518, 555, 558, 620, 630, 651, 666, 740, 777, 868, 930, 1036, 1085, 1110, 1116, 1147, 1260, 1295, 1302, 1332, 1395, 1554, 1665, 1860, 1953, 2170, 2220, 2294, 2331, 2590, 2604, 2790, 3108, 3255, 3330, 3441, 3885, 3906, 4340, 4588, 4662, 5180, 5580, 5735, 6510, 6660, 6882, 7770, 7812, 8029, 9324, 9765, 10323, 11470, 11655, 13020, 13764, 15540, 16058, 17205, 19530, 20646, 22940, 23310, 24087, 32116, 34410, 39060, 40145, 41292, 46620, 48174, 51615, 68820, 72261, 80290, 96348, 103230, 120435, 144522, 160580, 206460, 240870, 289044, 361305, 481740, 722610, 1445220]

約数ペア:

[(1, 1445220), (2, 722610), (3, 481740), (4, 361305), (5, 289044), (6, 240870), (7, 206460), (9, 160580), (10, 144522), (12, 120435), (14, 103230), (15, 96348), (18, 80290), (20, 72261), (21, 68820), (28, 51615), (30, 48174), (31, 46620), (35, 41292), (36, 40145), (37, 39060), (42, 34410), (45, 32116), (60, 24087), (62, 23310), (63, 22940), (70, 20646), (74, 19530), (84, 17205), (90, 16058), (93, 15540), (105, 13764), (111, 13020), (124, 11655), (126, 11470), (140, 10323), (148, 9765), (155, 9324), (180, 8029), (185, 7812), (186, 7770), (210, 6882), (217, 6660), (222, 6510), (252, 5735), (259, 5580), (279, 5180), (310, 4662), (315, 4588), (333, 4340), (370, 3906), (372, 3885), (420, 3441), (434, 3330), (444, 3255), (465, 3108), (518, 2790), (555, 2604), (558, 2590), (620, 2331), (630, 2294), (651, 2220), (666, 2170), (740, 1953), (777, 1860), (868, 1665), (930, 1554), (1036, 1395), (1085, 1332), (1110, 1302), (1116, 1295), (1147, 1260)]