820120410

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:549

約数の個数: 128

約数和(自身を含む): 2246952960

約数和(自身を除く): 1426832550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 90, 106, 135, 159, 223, 257, 265, 270, 318, 446, 477, 514, 530, 669, 771, 795, 954, 1115, 1285, 1338, 1431, 1542, 1590, 2007, 2230, 2313, 2385, 2570, 2862, 3345, 3855, 4014, 4626, 4770, 6021, 6690, 6939, 7155, 7710, 10035, 11565, 11819, 12042, 13621, 13878, 14310, 20070, 23130, 23638, 27242, 30105, 34695, 35457, 40863, 57311, 59095, 60210, 68105, 69390, 70914, 81726, 106371, 114622, 118190, 122589, 136210, 171933, 177285, 204315, 212742, 245178, 286555, 319113, 343866, 354570, 367767, 408630, 515799, 531855, 573110, 612945, 638226, 735534, 859665, 1031598, 1063710, 1225890, 1547397, 1595565, 1719330, 1838835, 2578995, 3037483, 3094794, 3191130, 3677670, 5157990, 6074966, 7736985, 9112449, 15187415, 15473970, 18224898, 27337347, 30374830, 45562245, 54674694, 82012041, 91124490, 136686735, 164024082, 273373470, 410060205, 820120410]

約数ペア:

[(1, 820120410), (2, 410060205), (3, 273373470), (5, 164024082), (6, 136686735), (9, 91124490), (10, 82012041), (15, 54674694), (18, 45562245), (27, 30374830), (30, 27337347), (45, 18224898), (53, 15473970), (54, 15187415), (90, 9112449), (106, 7736985), (135, 6074966), (159, 5157990), (223, 3677670), (257, 3191130), (265, 3094794), (270, 3037483), (318, 2578995), (446, 1838835), (477, 1719330), (514, 1595565), (530, 1547397), (669, 1225890), (771, 1063710), (795, 1031598), (954, 859665), (1115, 735534), (1285, 638226), (1338, 612945), (1431, 573110), (1542, 531855), (1590, 515799), (2007, 408630), (2230, 367767), (2313, 354570), (2385, 343866), (2570, 319113), (2862, 286555), (3345, 245178), (3855, 212742), (4014, 204315), (4626, 177285), (4770, 171933), (6021, 136210), (6690, 122589), (6939, 118190), (7155, 114622), (7710, 106371), (10035, 81726), (11565, 70914), (11819, 69390), (12042, 68105), (13621, 60210), (13878, 59095), (14310, 57311), (20070, 40863), (23130, 35457), (23638, 34695), (27242, 30105)]