123405840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1697}}^1$

素因数の和:1817

約数の個数: 120

約数和(自身を含む): 418787928

約数和(自身を除く): 295382088

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 101, 120, 144, 180, 202, 240, 303, 360, 404, 505, 606, 720, 808, 909, 1010, 1212, 1515, 1616, 1697, 1818, 2020, 2424, 3030, 3394, 3636, 4040, 4545, 4848, 5091, 6060, 6788, 7272, 8080, 8485, 9090, 10182, 12120, 13576, 14544, 15273, 16970, 18180, 20364, 24240, 25455, 27152, 30546, 33940, 36360, 40728, 50910, 61092, 67880, 72720, 76365, 81456, 101820, 122184, 135760, 152730, 171397, 203640, 244368, 305460, 342794, 407280, 514191, 610920, 685588, 856985, 1028382, 1221840, 1371176, 1542573, 1713970, 2056764, 2570955, 2742352, 3085146, 3427940, 4113528, 5141910, 6170292, 6855880, 7712865, 8227056, 10283820, 12340584, 13711760, 15425730, 20567640, 24681168, 30851460, 41135280, 61702920, 123405840]

約数ペア:

[(1, 123405840), (2, 61702920), (3, 41135280), (4, 30851460), (5, 24681168), (6, 20567640), (8, 15425730), (9, 13711760), (10, 12340584), (12, 10283820), (15, 8227056), (16, 7712865), (18, 6855880), (20, 6170292), (24, 5141910), (30, 4113528), (36, 3427940), (40, 3085146), (45, 2742352), (48, 2570955), (60, 2056764), (72, 1713970), (80, 1542573), (90, 1371176), (101, 1221840), (120, 1028382), (144, 856985), (180, 685588), (202, 610920), (240, 514191), (303, 407280), (360, 342794), (404, 305460), (505, 244368), (606, 203640), (720, 171397), (808, 152730), (909, 135760), (1010, 122184), (1212, 101820), (1515, 81456), (1616, 76365), (1697, 72720), (1818, 67880), (2020, 61092), (2424, 50910), (3030, 40728), (3394, 36360), (3636, 33940), (4040, 30546), (4545, 27152), (4848, 25455), (5091, 24240), (6060, 20364), (6788, 18180), (7272, 16970), (8080, 15273), (8485, 14544), (9090, 13576), (10182, 12120)]