20183760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1$

素因数の和:150

約数の個数: 180

約数和(自身を含む): 72747948

約数和(自身を除く): 52564188

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 97, 102, 120, 136, 144, 153, 170, 180, 194, 204, 240, 255, 272, 289, 291, 306, 340, 360, 388, 408, 485, 510, 578, 582, 612, 680, 720, 765, 776, 816, 867, 873, 970, 1020, 1156, 1164, 1224, 1360, 1445, 1455, 1530, 1552, 1649, 1734, 1746, 1940, 2040, 2312, 2328, 2448, 2601, 2890, 2910, 3060, 3298, 3468, 3492, 3880, 4080, 4335, 4365, 4624, 4656, 4947, 5202, 5780, 5820, 6120, 6596, 6936, 6984, 7760, 8245, 8670, 8730, 9894, 10404, 11560, 11640, 12240, 13005, 13192, 13872, 13968, 14841, 16490, 17340, 17460, 19788, 20808, 23120, 23280, 24735, 26010, 26384, 28033, 29682, 32980, 34680, 34920, 39576, 41616, 49470, 52020, 56066, 59364, 65960, 69360, 69840, 74205, 79152, 84099, 98940, 104040, 112132, 118728, 131920, 140165, 148410, 168198, 197880, 208080, 224264, 237456, 252297, 280330, 296820, 336396, 395760, 420495, 448528, 504594, 560660, 593640, 672792, 840990, 1009188, 1121320, 1187280, 1261485, 1345584, 1681980, 2018376, 2242640, 2522970, 3363960, 4036752, 5045940, 6727920, 10091880, 20183760]

約数ペア:

[(1, 20183760), (2, 10091880), (3, 6727920), (4, 5045940), (5, 4036752), (6, 3363960), (8, 2522970), (9, 2242640), (10, 2018376), (12, 1681980), (15, 1345584), (16, 1261485), (17, 1187280), (18, 1121320), (20, 1009188), (24, 840990), (30, 672792), (34, 593640), (36, 560660), (40, 504594), (45, 448528), (48, 420495), (51, 395760), (60, 336396), (68, 296820), (72, 280330), (80, 252297), (85, 237456), (90, 224264), (97, 208080), (102, 197880), (120, 168198), (136, 148410), (144, 140165), (153, 131920), (170, 118728), (180, 112132), (194, 104040), (204, 98940), (240, 84099), (255, 79152), (272, 74205), (289, 69840), (291, 69360), (306, 65960), (340, 59364), (360, 56066), (388, 52020), (408, 49470), (485, 41616), (510, 39576), (578, 34920), (582, 34680), (612, 32980), (680, 29682), (720, 28033), (765, 26384), (776, 26010), (816, 24735), (867, 23280), (873, 23120), (970, 20808), (1020, 19788), (1156, 17460), (1164, 17340), (1224, 16490), (1360, 14841), (1445, 13968), (1455, 13872), (1530, 13192), (1552, 13005), (1649, 12240), (1734, 11640), (1746, 11560), (1940, 10404), (2040, 9894), (2312, 8730), (2328, 8670), (2448, 8245), (2601, 7760), (2890, 6984), (2910, 6936), (3060, 6596), (3298, 6120), (3468, 5820), (3492, 5780), (3880, 5202), (4080, 4947), (4335, 4656), (4365, 4624)]