17820720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:539

約数の個数: 120

約数和(自身を含む): 61107696

約数和(自身を除く): 43286976

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 72, 80, 90, 106, 120, 144, 159, 180, 212, 240, 265, 318, 360, 424, 467, 477, 530, 636, 720, 795, 848, 934, 954, 1060, 1272, 1401, 1590, 1868, 1908, 2120, 2335, 2385, 2544, 2802, 3180, 3736, 3816, 4203, 4240, 4670, 4770, 5604, 6360, 7005, 7472, 7632, 8406, 9340, 9540, 11208, 12720, 14010, 16812, 18680, 19080, 21015, 22416, 24751, 28020, 33624, 37360, 38160, 42030, 49502, 56040, 67248, 74253, 84060, 99004, 112080, 123755, 148506, 168120, 198008, 222759, 247510, 297012, 336240, 371265, 396016, 445518, 495020, 594024, 742530, 891036, 990040, 1113795, 1188048, 1485060, 1782072, 1980080, 2227590, 2970120, 3564144, 4455180, 5940240, 8910360, 17820720]

約数ペア:

[(1, 17820720), (2, 8910360), (3, 5940240), (4, 4455180), (5, 3564144), (6, 2970120), (8, 2227590), (9, 1980080), (10, 1782072), (12, 1485060), (15, 1188048), (16, 1113795), (18, 990040), (20, 891036), (24, 742530), (30, 594024), (36, 495020), (40, 445518), (45, 396016), (48, 371265), (53, 336240), (60, 297012), (72, 247510), (80, 222759), (90, 198008), (106, 168120), (120, 148506), (144, 123755), (159, 112080), (180, 99004), (212, 84060), (240, 74253), (265, 67248), (318, 56040), (360, 49502), (424, 42030), (467, 38160), (477, 37360), (530, 33624), (636, 28020), (720, 24751), (795, 22416), (848, 21015), (934, 19080), (954, 18680), (1060, 16812), (1272, 14010), (1401, 12720), (1590, 11208), (1868, 9540), (1908, 9340), (2120, 8406), (2335, 7632), (2385, 7472), (2544, 7005), (2802, 6360), (3180, 5604), (3736, 4770), (3816, 4670), (4203, 4240)]