28605240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:637

約数の個数: 96

約数和(自身を含む): 93693600

約数和(自身を除く): 65088360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 181, 360, 362, 439, 543, 724, 878, 905, 1086, 1317, 1448, 1629, 1756, 1810, 2172, 2195, 2634, 2715, 3258, 3512, 3620, 3951, 4344, 4390, 5268, 5430, 6516, 6585, 7240, 7902, 8145, 8780, 10536, 10860, 13032, 13170, 15804, 16290, 17560, 19755, 21720, 26340, 31608, 32580, 39510, 52680, 65160, 79020, 79459, 158040, 158918, 238377, 317836, 397295, 476754, 635672, 715131, 794590, 953508, 1191885, 1430262, 1589180, 1907016, 2383770, 2860524, 3178360, 3575655, 4767540, 5721048, 7151310, 9535080, 14302620, 28605240]

約数ペア:

[(1, 28605240), (2, 14302620), (3, 9535080), (4, 7151310), (5, 5721048), (6, 4767540), (8, 3575655), (9, 3178360), (10, 2860524), (12, 2383770), (15, 1907016), (18, 1589180), (20, 1430262), (24, 1191885), (30, 953508), (36, 794590), (40, 715131), (45, 635672), (60, 476754), (72, 397295), (90, 317836), (120, 238377), (180, 158918), (181, 158040), (360, 79459), (362, 79020), (439, 65160), (543, 52680), (724, 39510), (878, 32580), (905, 31608), (1086, 26340), (1317, 21720), (1448, 19755), (1629, 17560), (1756, 16290), (1810, 15804), (2172, 13170), (2195, 13032), (2634, 10860), (2715, 10536), (3258, 8780), (3512, 8145), (3620, 7902), (3951, 7240), (4344, 6585), (4390, 6516), (5268, 5430)]