72819880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{701}}^1$

素因数の和:779

約数の個数: 96

約数和(自身を含む): 194468040

約数和(自身を除く): 121648160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 53, 56, 70, 98, 106, 140, 196, 212, 245, 265, 280, 371, 392, 424, 490, 530, 701, 742, 980, 1060, 1402, 1484, 1855, 1960, 2120, 2597, 2804, 2968, 3505, 3710, 4907, 5194, 5608, 7010, 7420, 9814, 10388, 12985, 14020, 14840, 19628, 20776, 24535, 25970, 28040, 34349, 37153, 39256, 49070, 51940, 68698, 74306, 98140, 103880, 137396, 148612, 171745, 185765, 196280, 260071, 274792, 297224, 343490, 371530, 520142, 686980, 743060, 1040284, 1300355, 1373960, 1486120, 1820497, 2080568, 2600710, 3640994, 5201420, 7281988, 9102485, 10402840, 14563976, 18204970, 36409940, 72819880]

約数ペア:

[(1, 72819880), (2, 36409940), (4, 18204970), (5, 14563976), (7, 10402840), (8, 9102485), (10, 7281988), (14, 5201420), (20, 3640994), (28, 2600710), (35, 2080568), (40, 1820497), (49, 1486120), (53, 1373960), (56, 1300355), (70, 1040284), (98, 743060), (106, 686980), (140, 520142), (196, 371530), (212, 343490), (245, 297224), (265, 274792), (280, 260071), (371, 196280), (392, 185765), (424, 171745), (490, 148612), (530, 137396), (701, 103880), (742, 98140), (980, 74306), (1060, 68698), (1402, 51940), (1484, 49070), (1855, 39256), (1960, 37153), (2120, 34349), (2597, 28040), (2804, 25970), (2968, 24535), (3505, 20776), (3710, 19628), (4907, 14840), (5194, 14020), (5608, 12985), (7010, 10388), (7420, 9814)]