405920160

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{31321}}^1$

素因数の和:31348

約数の個数: 120

約数和(自身を含む): 1432605636

約数和(自身を除く): 1026685476

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 31321, 62642, 93963, 125284, 156605, 187926, 250568, 281889, 313210, 375852, 469815, 501136, 563778, 626420, 751704, 845667, 939630, 1002272, 1127556, 1252840, 1409445, 1503408, 1691334, 1879260, 2255112, 2505680, 2537001, 2818890, 3006816, 3382668, 3758520, 4228335, 4510224, 5011360, 5074002, 5637780, 6765336, 7517040, 8456670, 9020448, 10148004, 11275560, 12685005, 13530672, 15034080, 16913340, 20296008, 22551120, 25370010, 27061344, 33826680, 40592016, 45102240, 50740020, 67653360, 81184032, 101480040, 135306720, 202960080, 405920160]

約数ペア:

[(1, 405920160), (2, 202960080), (3, 135306720), (4, 101480040), (5, 81184032), (6, 67653360), (8, 50740020), (9, 45102240), (10, 40592016), (12, 33826680), (15, 27061344), (16, 25370010), (18, 22551120), (20, 20296008), (24, 16913340), (27, 15034080), (30, 13530672), (32, 12685005), (36, 11275560), (40, 10148004), (45, 9020448), (48, 8456670), (54, 7517040), (60, 6765336), (72, 5637780), (80, 5074002), (81, 5011360), (90, 4510224), (96, 4228335), (108, 3758520), (120, 3382668), (135, 3006816), (144, 2818890), (160, 2537001), (162, 2505680), (180, 2255112), (216, 1879260), (240, 1691334), (270, 1503408), (288, 1409445), (324, 1252840), (360, 1127556), (405, 1002272), (432, 939630), (480, 845667), (540, 751704), (648, 626420), (720, 563778), (810, 501136), (864, 469815), (1080, 375852), (1296, 313210), (1440, 281889), (1620, 250568), (2160, 187926), (2592, 156605), (3240, 125284), (4320, 93963), (6480, 62642), (12960, 31321)]