123201720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:566

約数の個数: 192

約数和(自身を含む): 435183840

約数和(自身を除く): 311982120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 41, 45, 51, 60, 68, 72, 82, 85, 90, 102, 120, 123, 136, 153, 164, 170, 180, 204, 205, 246, 255, 306, 328, 340, 360, 369, 408, 410, 491, 492, 510, 612, 615, 680, 697, 738, 765, 820, 982, 984, 1020, 1224, 1230, 1394, 1473, 1476, 1530, 1640, 1845, 1964, 2040, 2091, 2455, 2460, 2788, 2946, 2952, 3060, 3485, 3690, 3928, 4182, 4419, 4910, 4920, 5576, 5892, 6120, 6273, 6970, 7365, 7380, 8347, 8364, 8838, 9820, 10455, 11784, 12546, 13940, 14730, 14760, 16694, 16728, 17676, 19640, 20131, 20910, 22095, 25041, 25092, 27880, 29460, 31365, 33388, 35352, 40262, 41735, 41820, 44190, 50082, 50184, 58920, 60393, 62730, 66776, 75123, 80524, 83470, 83640, 88380, 100164, 100655, 120786, 125205, 125460, 150246, 161048, 166940, 176760, 181179, 200328, 201310, 241572, 250410, 250920, 300492, 301965, 333880, 342227, 362358, 375615, 402620, 483144, 500820, 600984, 603930, 684454, 724716, 751230, 805240, 905895, 1001640, 1026681, 1207860, 1368908, 1449432, 1502460, 1711135, 1811790, 2053362, 2415720, 2737816, 3004920, 3080043, 3422270, 3623580, 4106724, 5133405, 6160086, 6844540, 7247160, 8213448, 10266810, 12320172, 13689080, 15400215, 20533620, 24640344, 30800430, 41067240, 61600860, 123201720]

約数ペア:

[(1, 123201720), (2, 61600860), (3, 41067240), (4, 30800430), (5, 24640344), (6, 20533620), (8, 15400215), (9, 13689080), (10, 12320172), (12, 10266810), (15, 8213448), (17, 7247160), (18, 6844540), (20, 6160086), (24, 5133405), (30, 4106724), (34, 3623580), (36, 3422270), (40, 3080043), (41, 3004920), (45, 2737816), (51, 2415720), (60, 2053362), (68, 1811790), (72, 1711135), (82, 1502460), (85, 1449432), (90, 1368908), (102, 1207860), (120, 1026681), (123, 1001640), (136, 905895), (153, 805240), (164, 751230), (170, 724716), (180, 684454), (204, 603930), (205, 600984), (246, 500820), (255, 483144), (306, 402620), (328, 375615), (340, 362358), (360, 342227), (369, 333880), (408, 301965), (410, 300492), (491, 250920), (492, 250410), (510, 241572), (612, 201310), (615, 200328), (680, 181179), (697, 176760), (738, 166940), (765, 161048), (820, 150246), (982, 125460), (984, 125205), (1020, 120786), (1224, 100655), (1230, 100164), (1394, 88380), (1473, 83640), (1476, 83470), (1530, 80524), (1640, 75123), (1845, 66776), (1964, 62730), (2040, 60393), (2091, 58920), (2455, 50184), (2460, 50082), (2788, 44190), (2946, 41820), (2952, 41735), (3060, 40262), (3485, 35352), (3690, 33388), (3928, 31365), (4182, 29460), (4419, 27880), (4910, 25092), (4920, 25041), (5576, 22095), (5892, 20910), (6120, 20131), (6273, 19640), (6970, 17676), (7365, 16728), (7380, 16694), (8347, 14760), (8364, 14730), (8838, 13940), (9820, 12546), (10455, 11784)]