81936720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3671}}^1$

素因数の和:3721

約数の個数: 120

約数和(自身を含む): 284124672

約数和(自身を除く): 202187952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3671, 3720, 4464, 5580, 7342, 7440, 11013, 11160, 14684, 18355, 22026, 22320, 29368, 33039, 36710, 44052, 55065, 58736, 66078, 73420, 88104, 110130, 113801, 132156, 146840, 165195, 176208, 220260, 227602, 264312, 293680, 330390, 341403, 440520, 455204, 528624, 569005, 660780, 682806, 881040, 910408, 1024209, 1138010, 1321560, 1365612, 1707015, 1820816, 2048418, 2276020, 2643120, 2731224, 3414030, 4096836, 4552040, 5121045, 5462448, 6828060, 8193672, 9104080, 10242090, 13656120, 16387344, 20484180, 27312240, 40968360, 81936720]

約数ペア:

[(1, 81936720), (2, 40968360), (3, 27312240), (4, 20484180), (5, 16387344), (6, 13656120), (8, 10242090), (9, 9104080), (10, 8193672), (12, 6828060), (15, 5462448), (16, 5121045), (18, 4552040), (20, 4096836), (24, 3414030), (30, 2731224), (31, 2643120), (36, 2276020), (40, 2048418), (45, 1820816), (48, 1707015), (60, 1365612), (62, 1321560), (72, 1138010), (80, 1024209), (90, 910408), (93, 881040), (120, 682806), (124, 660780), (144, 569005), (155, 528624), (180, 455204), (186, 440520), (240, 341403), (248, 330390), (279, 293680), (310, 264312), (360, 227602), (372, 220260), (465, 176208), (496, 165195), (558, 146840), (620, 132156), (720, 113801), (744, 110130), (930, 88104), (1116, 73420), (1240, 66078), (1395, 58736), (1488, 55065), (1860, 44052), (2232, 36710), (2480, 33039), (2790, 29368), (3671, 22320), (3720, 22026), (4464, 18355), (5580, 14684), (7342, 11160), (7440, 11013)]