721093140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{22133}}^1$

素因数の和:22329

約数の個数: 72

約数和(自身を含む): 2199499848

約数和(自身を除く): 1478406708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2715, 3258, 3620, 5430, 6516, 8145, 10860, 16290, 22133, 32580, 44266, 66399, 88532, 110665, 132798, 199197, 221330, 265596, 331995, 398394, 442660, 663990, 796788, 995985, 1327980, 1991970, 3983940, 4006073, 8012146, 12018219, 16024292, 20030365, 24036438, 36054657, 40060730, 48072876, 60091095, 72109314, 80121460, 120182190, 144218628, 180273285, 240364380, 360546570, 721093140]

約数ペア:

[(1, 721093140), (2, 360546570), (3, 240364380), (4, 180273285), (5, 144218628), (6, 120182190), (9, 80121460), (10, 72109314), (12, 60091095), (15, 48072876), (18, 40060730), (20, 36054657), (30, 24036438), (36, 20030365), (45, 16024292), (60, 12018219), (90, 8012146), (180, 4006073), (181, 3983940), (362, 1991970), (543, 1327980), (724, 995985), (905, 796788), (1086, 663990), (1629, 442660), (1810, 398394), (2172, 331995), (2715, 265596), (3258, 221330), (3620, 199197), (5430, 132798), (6516, 110665), (8145, 88532), (10860, 66399), (16290, 44266), (22133, 32580)]