31412920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:114

約数の個数: 192

約数和(自身を含む): 94556160

約数和(自身を除く): 63143240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 47, 49, 55, 56, 62, 70, 77, 88, 94, 98, 110, 124, 140, 154, 155, 188, 196, 217, 220, 235, 245, 248, 280, 308, 310, 329, 341, 376, 385, 392, 434, 440, 470, 490, 517, 539, 616, 620, 658, 682, 770, 868, 940, 980, 1034, 1078, 1085, 1240, 1316, 1364, 1457, 1519, 1540, 1645, 1705, 1736, 1880, 1960, 2068, 2156, 2170, 2303, 2387, 2585, 2632, 2695, 2728, 2914, 3038, 3080, 3290, 3410, 3619, 4136, 4312, 4340, 4606, 4774, 5170, 5390, 5828, 6076, 6580, 6820, 7238, 7285, 7595, 8680, 9212, 9548, 10199, 10340, 10780, 11515, 11656, 11935, 12152, 13160, 13640, 14476, 14570, 15190, 16027, 16709, 18095, 18424, 19096, 20398, 20680, 21560, 23030, 23870, 25333, 28952, 29140, 30380, 32054, 33418, 36190, 40796, 46060, 47740, 50666, 50995, 58280, 60760, 64108, 66836, 71393, 72380, 80135, 81592, 83545, 92120, 95480, 101332, 101990, 112189, 126665, 128216, 133672, 142786, 144760, 160270, 167090, 202664, 203980, 224378, 253330, 285572, 320540, 334180, 356965, 407960, 448756, 506660, 560945, 571144, 641080, 668360, 713930, 785323, 897512, 1013320, 1121890, 1427860, 1570646, 2243780, 2855720, 3141292, 3926615, 4487560, 6282584, 7853230, 15706460, 31412920]

約数ペア:

[(1, 31412920), (2, 15706460), (4, 7853230), (5, 6282584), (7, 4487560), (8, 3926615), (10, 3141292), (11, 2855720), (14, 2243780), (20, 1570646), (22, 1427860), (28, 1121890), (31, 1013320), (35, 897512), (40, 785323), (44, 713930), (47, 668360), (49, 641080), (55, 571144), (56, 560945), (62, 506660), (70, 448756), (77, 407960), (88, 356965), (94, 334180), (98, 320540), (110, 285572), (124, 253330), (140, 224378), (154, 203980), (155, 202664), (188, 167090), (196, 160270), (217, 144760), (220, 142786), (235, 133672), (245, 128216), (248, 126665), (280, 112189), (308, 101990), (310, 101332), (329, 95480), (341, 92120), (376, 83545), (385, 81592), (392, 80135), (434, 72380), (440, 71393), (470, 66836), (490, 64108), (517, 60760), (539, 58280), (616, 50995), (620, 50666), (658, 47740), (682, 46060), (770, 40796), (868, 36190), (940, 33418), (980, 32054), (1034, 30380), (1078, 29140), (1085, 28952), (1240, 25333), (1316, 23870), (1364, 23030), (1457, 21560), (1519, 20680), (1540, 20398), (1645, 19096), (1705, 18424), (1736, 18095), (1880, 16709), (1960, 16027), (2068, 15190), (2156, 14570), (2170, 14476), (2303, 13640), (2387, 13160), (2585, 12152), (2632, 11935), (2695, 11656), (2728, 11515), (2914, 10780), (3038, 10340), (3080, 10199), (3290, 9548), (3410, 9212), (3619, 8680), (4136, 7595), (4312, 7285), (4340, 7238), (4606, 6820), (4774, 6580), (5170, 6076), (5390, 5828)]