1971520980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{229781}}^1$

素因数の和:229817

約数の個数: 96

約数和(自身を含む): 6485367168

約数和(自身を除く): 4513846188

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2860, 4290, 8580, 229781, 459562, 689343, 919124, 1148905, 1378686, 2297810, 2527591, 2757372, 2987153, 3446715, 4595620, 5055182, 5974306, 6893430, 7582773, 8961459, 10110364, 11948612, 12637955, 13786860, 14935765, 15165546, 17922918, 25275910, 29871530, 30331092, 32858683, 35845836, 37913865, 44807295, 50551820, 59743060, 65717366, 75827730, 89614590, 98576049, 131434732, 151655460, 164293415, 179229180, 197152098, 328586830, 394304196, 492880245, 657173660, 985760490, 1971520980]

約数ペア:

[(1, 1971520980), (2, 985760490), (3, 657173660), (4, 492880245), (5, 394304196), (6, 328586830), (10, 197152098), (11, 179229180), (12, 164293415), (13, 151655460), (15, 131434732), (20, 98576049), (22, 89614590), (26, 75827730), (30, 65717366), (33, 59743060), (39, 50551820), (44, 44807295), (52, 37913865), (55, 35845836), (60, 32858683), (65, 30331092), (66, 29871530), (78, 25275910), (110, 17922918), (130, 15165546), (132, 14935765), (143, 13786860), (156, 12637955), (165, 11948612), (195, 10110364), (220, 8961459), (260, 7582773), (286, 6893430), (330, 5974306), (390, 5055182), (429, 4595620), (572, 3446715), (660, 2987153), (715, 2757372), (780, 2527591), (858, 2297810), (1430, 1378686), (1716, 1148905), (2145, 919124), (2860, 689343), (4290, 459562), (8580, 229781)]