19849680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1451}}^1$

素因数の和:1489

約数の個数: 120

約数和(自身を含む): 70218720

約数和(自身を除く): 50369040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1451, 1520, 1710, 2280, 2736, 2902, 3420, 4353, 4560, 5804, 6840, 7255, 8706, 11608, 13059, 13680, 14510, 17412, 21765, 23216, 26118, 27569, 29020, 34824, 43530, 52236, 55138, 58040, 65295, 69648, 82707, 87060, 104472, 110276, 116080, 130590, 137845, 165414, 174120, 208944, 220552, 248121, 261180, 275690, 330828, 348240, 413535, 441104, 496242, 522360, 551380, 661656, 827070, 992484, 1044720, 1102760, 1240605, 1323312, 1654140, 1984968, 2205520, 2481210, 3308280, 3969936, 4962420, 6616560, 9924840, 19849680]

約数ペア:

[(1, 19849680), (2, 9924840), (3, 6616560), (4, 4962420), (5, 3969936), (6, 3308280), (8, 2481210), (9, 2205520), (10, 1984968), (12, 1654140), (15, 1323312), (16, 1240605), (18, 1102760), (19, 1044720), (20, 992484), (24, 827070), (30, 661656), (36, 551380), (38, 522360), (40, 496242), (45, 441104), (48, 413535), (57, 348240), (60, 330828), (72, 275690), (76, 261180), (80, 248121), (90, 220552), (95, 208944), (114, 174120), (120, 165414), (144, 137845), (152, 130590), (171, 116080), (180, 110276), (190, 104472), (228, 87060), (240, 82707), (285, 69648), (304, 65295), (342, 58040), (360, 55138), (380, 52236), (456, 43530), (570, 34824), (684, 29020), (720, 27569), (760, 26118), (855, 23216), (912, 21765), (1140, 17412), (1368, 14510), (1451, 13680), (1520, 13059), (1710, 11608), (2280, 8706), (2736, 7255), (2902, 6840), (3420, 5804), (4353, 4560)]