78155460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25541}}^1$

素因数の和:25573

約数の個数: 72

約数和(自身を含む): 251026776

約数和(自身を除く): 172871316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 25541, 51082, 76623, 102164, 127705, 153246, 229869, 255410, 306492, 383115, 434197, 459738, 510820, 766230, 868394, 919476, 1149345, 1302591, 1532460, 1736788, 2170985, 2298690, 2605182, 3907773, 4341970, 4597380, 5210364, 6512955, 7815546, 8683940, 13025910, 15631092, 19538865, 26051820, 39077730, 78155460]

約数ペア:

[(1, 78155460), (2, 39077730), (3, 26051820), (4, 19538865), (5, 15631092), (6, 13025910), (9, 8683940), (10, 7815546), (12, 6512955), (15, 5210364), (17, 4597380), (18, 4341970), (20, 3907773), (30, 2605182), (34, 2298690), (36, 2170985), (45, 1736788), (51, 1532460), (60, 1302591), (68, 1149345), (85, 919476), (90, 868394), (102, 766230), (153, 510820), (170, 459738), (180, 434197), (204, 383115), (255, 306492), (306, 255410), (340, 229869), (510, 153246), (612, 127705), (765, 102164), (1020, 76623), (1530, 51082), (3060, 25541)]