80724960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:1001

約数の個数: 144

約数和(自身を含む): 280294560

約数和(自身を除く): 199569600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 240, 244, 288, 305, 360, 366, 480, 488, 549, 610, 720, 732, 915, 919, 976, 1098, 1220, 1440, 1464, 1830, 1838, 1952, 2196, 2440, 2745, 2757, 2928, 3660, 3676, 4392, 4595, 4880, 5490, 5514, 5856, 7320, 7352, 8271, 8784, 9190, 9760, 10980, 11028, 13785, 14640, 14704, 16542, 17568, 18380, 21960, 22056, 27570, 29280, 29408, 33084, 36760, 41355, 43920, 44112, 55140, 56059, 66168, 73520, 82710, 87840, 88224, 110280, 112118, 132336, 147040, 165420, 168177, 220560, 224236, 264672, 280295, 330840, 336354, 441120, 448472, 504531, 560590, 661680, 672708, 840885, 896944, 1009062, 1121180, 1323360, 1345416, 1681770, 1793888, 2018124, 2242360, 2522655, 2690832, 3363540, 4036248, 4484720, 5045310, 5381664, 6727080, 8072496, 8969440, 10090620, 13454160, 16144992, 20181240, 26908320, 40362480, 80724960]

約数ペア:

[(1, 80724960), (2, 40362480), (3, 26908320), (4, 20181240), (5, 16144992), (6, 13454160), (8, 10090620), (9, 8969440), (10, 8072496), (12, 6727080), (15, 5381664), (16, 5045310), (18, 4484720), (20, 4036248), (24, 3363540), (30, 2690832), (32, 2522655), (36, 2242360), (40, 2018124), (45, 1793888), (48, 1681770), (60, 1345416), (61, 1323360), (72, 1121180), (80, 1009062), (90, 896944), (96, 840885), (120, 672708), (122, 661680), (144, 560590), (160, 504531), (180, 448472), (183, 441120), (240, 336354), (244, 330840), (288, 280295), (305, 264672), (360, 224236), (366, 220560), (480, 168177), (488, 165420), (549, 147040), (610, 132336), (720, 112118), (732, 110280), (915, 88224), (919, 87840), (976, 82710), (1098, 73520), (1220, 66168), (1440, 56059), (1464, 55140), (1830, 44112), (1838, 43920), (1952, 41355), (2196, 36760), (2440, 33084), (2745, 29408), (2757, 29280), (2928, 27570), (3660, 22056), (3676, 21960), (4392, 18380), (4595, 17568), (4880, 16542), (5490, 14704), (5514, 14640), (5856, 13785), (7320, 11028), (7352, 10980), (8271, 9760), (8784, 9190)]