219321960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12781}}^1$

素因数の和:12819

約数の個数: 128

約数和(自身を含む): 773055360

約数和(自身を除く): 553733400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 8580, 12781, 17160, 25562, 38343, 51124, 63905, 76686, 102248, 127810, 140591, 153372, 166153, 191715, 255620, 281182, 306744, 332306, 383430, 421773, 498459, 511240, 562364, 664612, 702955, 766860, 830765, 843546, 996918, 1124728, 1329224, 1405910, 1533720, 1661530, 1687092, 1827683, 1993836, 2108865, 2492295, 2811820, 3323060, 3374184, 3655366, 3987672, 4217730, 4984590, 5483049, 5623640, 6646120, 7310732, 8435460, 9138415, 9969180, 10966098, 14621464, 16870920, 18276830, 19938360, 21932196, 27415245, 36553660, 43864392, 54830490, 73107320, 109660980, 219321960]

約数ペア:

[(1, 219321960), (2, 109660980), (3, 73107320), (4, 54830490), (5, 43864392), (6, 36553660), (8, 27415245), (10, 21932196), (11, 19938360), (12, 18276830), (13, 16870920), (15, 14621464), (20, 10966098), (22, 9969180), (24, 9138415), (26, 8435460), (30, 7310732), (33, 6646120), (39, 5623640), (40, 5483049), (44, 4984590), (52, 4217730), (55, 3987672), (60, 3655366), (65, 3374184), (66, 3323060), (78, 2811820), (88, 2492295), (104, 2108865), (110, 1993836), (120, 1827683), (130, 1687092), (132, 1661530), (143, 1533720), (156, 1405910), (165, 1329224), (195, 1124728), (220, 996918), (260, 843546), (264, 830765), (286, 766860), (312, 702955), (330, 664612), (390, 562364), (429, 511240), (440, 498459), (520, 421773), (572, 383430), (660, 332306), (715, 306744), (780, 281182), (858, 255620), (1144, 191715), (1320, 166153), (1430, 153372), (1560, 140591), (1716, 127810), (2145, 102248), (2860, 76686), (3432, 63905), (4290, 51124), (5720, 38343), (8580, 25562), (12781, 17160)]