31030440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:132

約数の個数: 256

約数和(自身を含む): 117573120

約数和(自身を除く): 86542680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 41, 42, 51, 53, 56, 60, 68, 70, 82, 84, 85, 102, 105, 106, 119, 120, 123, 136, 140, 159, 164, 168, 170, 204, 205, 210, 212, 238, 246, 255, 265, 280, 287, 318, 328, 340, 357, 371, 408, 410, 420, 424, 476, 492, 510, 530, 574, 595, 615, 636, 680, 697, 714, 742, 795, 820, 840, 861, 901, 952, 984, 1020, 1060, 1113, 1148, 1190, 1230, 1272, 1394, 1428, 1435, 1484, 1590, 1640, 1722, 1785, 1802, 1855, 2040, 2091, 2120, 2173, 2226, 2296, 2380, 2460, 2703, 2788, 2856, 2870, 2968, 3180, 3444, 3485, 3570, 3604, 3710, 4182, 4305, 4346, 4452, 4505, 4760, 4879, 4920, 5406, 5565, 5576, 5740, 6307, 6360, 6519, 6888, 6970, 7140, 7208, 7420, 8364, 8610, 8692, 8904, 9010, 9758, 10455, 10812, 10865, 11130, 11480, 12614, 13038, 13515, 13940, 14280, 14637, 14840, 15211, 16728, 17220, 17384, 18020, 18921, 19516, 20910, 21624, 21730, 22260, 24395, 25228, 26076, 27030, 27880, 29274, 30422, 31535, 32595, 34440, 36040, 36941, 37842, 39032, 41820, 43460, 44520, 45633, 48790, 50456, 52152, 54060, 58548, 60844, 63070, 65190, 73185, 73882, 75684, 76055, 83640, 86920, 91266, 94605, 97580, 108120, 110823, 117096, 121688, 126140, 130380, 146370, 147764, 151368, 152110, 182532, 184705, 189210, 195160, 221646, 228165, 252280, 258587, 260760, 292740, 295528, 304220, 365064, 369410, 378420, 443292, 456330, 517174, 554115, 585480, 608440, 738820, 756840, 775761, 886584, 912660, 1034348, 1108230, 1292935, 1477640, 1551522, 1825320, 2068696, 2216460, 2585870, 3103044, 3878805, 4432920, 5171740, 6206088, 7757610, 10343480, 15515220, 31030440]

約数ペア:

[(1, 31030440), (2, 15515220), (3, 10343480), (4, 7757610), (5, 6206088), (6, 5171740), (7, 4432920), (8, 3878805), (10, 3103044), (12, 2585870), (14, 2216460), (15, 2068696), (17, 1825320), (20, 1551522), (21, 1477640), (24, 1292935), (28, 1108230), (30, 1034348), (34, 912660), (35, 886584), (40, 775761), (41, 756840), (42, 738820), (51, 608440), (53, 585480), (56, 554115), (60, 517174), (68, 456330), (70, 443292), (82, 378420), (84, 369410), (85, 365064), (102, 304220), (105, 295528), (106, 292740), (119, 260760), (120, 258587), (123, 252280), (136, 228165), (140, 221646), (159, 195160), (164, 189210), (168, 184705), (170, 182532), (204, 152110), (205, 151368), (210, 147764), (212, 146370), (238, 130380), (246, 126140), (255, 121688), (265, 117096), (280, 110823), (287, 108120), (318, 97580), (328, 94605), (340, 91266), (357, 86920), (371, 83640), (408, 76055), (410, 75684), (420, 73882), (424, 73185), (476, 65190), (492, 63070), (510, 60844), (530, 58548), (574, 54060), (595, 52152), (615, 50456), (636, 48790), (680, 45633), (697, 44520), (714, 43460), (742, 41820), (795, 39032), (820, 37842), (840, 36941), (861, 36040), (901, 34440), (952, 32595), (984, 31535), (1020, 30422), (1060, 29274), (1113, 27880), (1148, 27030), (1190, 26076), (1230, 25228), (1272, 24395), (1394, 22260), (1428, 21730), (1435, 21624), (1484, 20910), (1590, 19516), (1640, 18921), (1722, 18020), (1785, 17384), (1802, 17220), (1855, 16728), (2040, 15211), (2091, 14840), (2120, 14637), (2173, 14280), (2226, 13940), (2296, 13515), (2380, 13038), (2460, 12614), (2703, 11480), (2788, 11130), (2856, 10865), (2870, 10812), (2968, 10455), (3180, 9758), (3444, 9010), (3485, 8904), (3570, 8692), (3604, 8610), (3710, 8364), (4182, 7420), (4305, 7208), (4346, 7140), (4452, 6970), (4505, 6888), (4760, 6519), (4879, 6360), (4920, 6307), (5406, 5740), (5565, 5576)]