28734660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2617}}^1$

素因数の和:2693

約数の個数: 72

約数和(自身を含む): 88624536

約数和(自身を除く): 59889876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2617, 2745, 3660, 5234, 5490, 7851, 10468, 10980, 13085, 15702, 23553, 26170, 31404, 39255, 47106, 52340, 78510, 94212, 117765, 157020, 159637, 235530, 319274, 471060, 478911, 638548, 798185, 957822, 1436733, 1596370, 1915644, 2394555, 2873466, 3192740, 4789110, 5746932, 7183665, 9578220, 14367330, 28734660]

約数ペア:

[(1, 28734660), (2, 14367330), (3, 9578220), (4, 7183665), (5, 5746932), (6, 4789110), (9, 3192740), (10, 2873466), (12, 2394555), (15, 1915644), (18, 1596370), (20, 1436733), (30, 957822), (36, 798185), (45, 638548), (60, 478911), (61, 471060), (90, 319274), (122, 235530), (180, 159637), (183, 157020), (244, 117765), (305, 94212), (366, 78510), (549, 52340), (610, 47106), (732, 39255), (915, 31404), (1098, 26170), (1220, 23553), (1830, 15702), (2196, 13085), (2617, 10980), (2745, 10468), (3660, 7851), (5234, 5490)]