21408480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14867}}^1$

素因数の和:14888

約数の個数: 72

約数和(自身を含む): 73061352

約数和(自身を除く): 51652872

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14867, 29734, 44601, 59468, 74335, 89202, 118936, 133803, 148670, 178404, 223005, 237872, 267606, 297340, 356808, 446010, 475744, 535212, 594680, 669015, 713616, 892020, 1070424, 1189360, 1338030, 1427232, 1784040, 2140848, 2378720, 2676060, 3568080, 4281696, 5352120, 7136160, 10704240, 21408480]

約数ペア:

[(1, 21408480), (2, 10704240), (3, 7136160), (4, 5352120), (5, 4281696), (6, 3568080), (8, 2676060), (9, 2378720), (10, 2140848), (12, 1784040), (15, 1427232), (16, 1338030), (18, 1189360), (20, 1070424), (24, 892020), (30, 713616), (32, 669015), (36, 594680), (40, 535212), (45, 475744), (48, 446010), (60, 356808), (72, 297340), (80, 267606), (90, 237872), (96, 223005), (120, 178404), (144, 148670), (160, 133803), (180, 118936), (240, 89202), (288, 74335), (360, 59468), (480, 44601), (720, 29734), (1440, 14867)]