72818640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5323}}^1$

素因数の和:5361

約数の個数: 120

約数和(自身を含む): 257468640

約数和(自身を除く): 184650000

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, 1520, 1710, 2280, 2736, 3420, 4560, 5323, 6840, 10646, 13680, 15969, 21292, 26615, 31938, 42584, 47907, 53230, 63876, 79845, 85168, 95814, 101137, 106460, 127752, 159690, 191628, 202274, 212920, 239535, 255504, 303411, 319380, 383256, 404548, 425840, 479070, 505685, 606822, 638760, 766512, 809096, 910233, 958140, 1011370, 1213644, 1277520, 1517055, 1618192, 1820466, 1916280, 2022740, 2427288, 3034110, 3640932, 3832560, 4045480, 4551165, 4854576, 6068220, 7281864, 8090960, 9102330, 12136440, 14563728, 18204660, 24272880, 36409320, 72818640]

約数ペア:

[(1, 72818640), (2, 36409320), (3, 24272880), (4, 18204660), (5, 14563728), (6, 12136440), (8, 9102330), (9, 8090960), (10, 7281864), (12, 6068220), (15, 4854576), (16, 4551165), (18, 4045480), (19, 3832560), (20, 3640932), (24, 3034110), (30, 2427288), (36, 2022740), (38, 1916280), (40, 1820466), (45, 1618192), (48, 1517055), (57, 1277520), (60, 1213644), (72, 1011370), (76, 958140), (80, 910233), (90, 809096), (95, 766512), (114, 638760), (120, 606822), (144, 505685), (152, 479070), (171, 425840), (180, 404548), (190, 383256), (228, 319380), (240, 303411), (285, 255504), (304, 239535), (342, 212920), (360, 202274), (380, 191628), (456, 159690), (570, 127752), (684, 106460), (720, 101137), (760, 95814), (855, 85168), (912, 79845), (1140, 63876), (1368, 53230), (1520, 47907), (1710, 42584), (2280, 31938), (2736, 26615), (3420, 21292), (4560, 15969), (5323, 13680), (6840, 10646)]