15300720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:367

約数の個数: 120

約数和(自身を含む): 52228800

約数和(自身を除く): 36928080

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, 79, 80, 90, 120, 144, 158, 180, 237, 240, 269, 316, 360, 395, 474, 538, 632, 711, 720, 790, 807, 948, 1076, 1185, 1264, 1345, 1422, 1580, 1614, 1896, 2152, 2370, 2421, 2690, 2844, 3160, 3228, 3555, 3792, 4035, 4304, 4740, 4842, 5380, 5688, 6320, 6456, 7110, 8070, 9480, 9684, 10760, 11376, 12105, 12912, 14220, 16140, 18960, 19368, 21251, 21520, 24210, 28440, 32280, 38736, 42502, 48420, 56880, 63753, 64560, 85004, 96840, 106255, 127506, 170008, 191259, 193680, 212510, 255012, 318765, 340016, 382518, 425020, 510024, 637530, 765036, 850040, 956295, 1020048, 1275060, 1530072, 1700080, 1912590, 2550120, 3060144, 3825180, 5100240, 7650360, 15300720]

約数ペア:

[(1, 15300720), (2, 7650360), (3, 5100240), (4, 3825180), (5, 3060144), (6, 2550120), (8, 1912590), (9, 1700080), (10, 1530072), (12, 1275060), (15, 1020048), (16, 956295), (18, 850040), (20, 765036), (24, 637530), (30, 510024), (36, 425020), (40, 382518), (45, 340016), (48, 318765), (60, 255012), (72, 212510), (79, 193680), (80, 191259), (90, 170008), (120, 127506), (144, 106255), (158, 96840), (180, 85004), (237, 64560), (240, 63753), (269, 56880), (316, 48420), (360, 42502), (395, 38736), (474, 32280), (538, 28440), (632, 24210), (711, 21520), (720, 21251), (790, 19368), (807, 18960), (948, 16140), (1076, 14220), (1185, 12912), (1264, 12105), (1345, 11376), (1422, 10760), (1580, 9684), (1614, 9480), (1896, 8070), (2152, 7110), (2370, 6456), (2421, 6320), (2690, 5688), (2844, 5380), (3160, 4842), (3228, 4740), (3555, 4304), (3792, 4035)]