78407490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:536

約数の個数: 128

約数和(自身を含む): 232151040

約数和(自身を除く): 153743550

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 43, 57, 70, 86, 95, 105, 114, 129, 133, 190, 210, 215, 258, 266, 285, 301, 399, 430, 457, 570, 602, 645, 665, 798, 817, 903, 914, 1290, 1330, 1371, 1505, 1634, 1806, 1995, 2285, 2451, 2742, 3010, 3199, 3990, 4085, 4515, 4570, 4902, 5719, 6398, 6855, 8170, 8683, 9030, 9597, 11438, 12255, 13710, 15995, 17157, 17366, 19194, 19651, 24510, 26049, 28595, 31990, 34314, 39302, 43415, 47985, 52098, 57190, 58953, 60781, 85785, 86830, 95970, 98255, 117906, 121562, 130245, 137557, 171570, 182343, 196510, 260490, 275114, 294765, 303905, 364686, 373369, 412671, 589530, 607810, 687785, 746738, 825342, 911715, 1120107, 1375570, 1823430, 1866845, 2063355, 2240214, 2613583, 3733690, 4126710, 5227166, 5600535, 7840749, 11201070, 13067915, 15681498, 26135830, 39203745, 78407490]

約数ペア:

[(1, 78407490), (2, 39203745), (3, 26135830), (5, 15681498), (6, 13067915), (7, 11201070), (10, 7840749), (14, 5600535), (15, 5227166), (19, 4126710), (21, 3733690), (30, 2613583), (35, 2240214), (38, 2063355), (42, 1866845), (43, 1823430), (57, 1375570), (70, 1120107), (86, 911715), (95, 825342), (105, 746738), (114, 687785), (129, 607810), (133, 589530), (190, 412671), (210, 373369), (215, 364686), (258, 303905), (266, 294765), (285, 275114), (301, 260490), (399, 196510), (430, 182343), (457, 171570), (570, 137557), (602, 130245), (645, 121562), (665, 117906), (798, 98255), (817, 95970), (903, 86830), (914, 85785), (1290, 60781), (1330, 58953), (1371, 57190), (1505, 52098), (1634, 47985), (1806, 43415), (1995, 39302), (2285, 34314), (2451, 31990), (2742, 28595), (3010, 26049), (3199, 24510), (3990, 19651), (4085, 19194), (4515, 17366), (4570, 17157), (4902, 15995), (5719, 13710), (6398, 12255), (6855, 11438), (8170, 9597), (8683, 9030)]