390812520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:608

約数の個数: 256

約数和(自身を含む): 1443225600

約数和(自身を除く): 1052413080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 47, 56, 57, 60, 70, 76, 84, 94, 95, 105, 114, 120, 133, 140, 141, 152, 168, 188, 190, 210, 228, 235, 266, 280, 282, 285, 329, 376, 380, 399, 420, 456, 470, 521, 532, 564, 570, 658, 665, 705, 760, 798, 840, 893, 940, 987, 1042, 1064, 1128, 1140, 1316, 1330, 1410, 1563, 1596, 1645, 1786, 1880, 1974, 1995, 2084, 2280, 2605, 2632, 2660, 2679, 2820, 3126, 3192, 3290, 3572, 3647, 3948, 3990, 4168, 4465, 4935, 5210, 5320, 5358, 5640, 6251, 6252, 6580, 7144, 7294, 7815, 7896, 7980, 8930, 9870, 9899, 10420, 10716, 10941, 12502, 12504, 13160, 13395, 14588, 15630, 15960, 17860, 18235, 18753, 19740, 19798, 20840, 21432, 21882, 24487, 25004, 26790, 29176, 29697, 31255, 31260, 35720, 36470, 37506, 39480, 39596, 43764, 48974, 49495, 50008, 53580, 54705, 59394, 62510, 62520, 69293, 72940, 73461, 75012, 79192, 87528, 93765, 97948, 98990, 107160, 109410, 118788, 122435, 125020, 138586, 145880, 146922, 148485, 150024, 171409, 187530, 195896, 197980, 207879, 218820, 237576, 244870, 250040, 277172, 293844, 296970, 342818, 346465, 367305, 375060, 395960, 415758, 437640, 465253, 489740, 514227, 554344, 587688, 593940, 685636, 692930, 734610, 750120, 831516, 857045, 930506, 979480, 1028454, 1039395, 1187880, 1371272, 1385860, 1395759, 1469220, 1663032, 1714090, 1861012, 2056908, 2078790, 2326265, 2571135, 2771720, 2791518, 2938440, 3256771, 3428180, 3722024, 4113816, 4157580, 4652530, 5142270, 5583036, 6513542, 6856360, 6978795, 8315160, 9305060, 9770313, 10284540, 11166072, 13027084, 13957590, 16283855, 18610120, 19540626, 20569080, 26054168, 27915180, 32567710, 39081252, 48851565, 55830360, 65135420, 78162504, 97703130, 130270840, 195406260, 390812520]

約数ペア:

[(1, 390812520), (2, 195406260), (3, 130270840), (4, 97703130), (5, 78162504), (6, 65135420), (7, 55830360), (8, 48851565), (10, 39081252), (12, 32567710), (14, 27915180), (15, 26054168), (19, 20569080), (20, 19540626), (21, 18610120), (24, 16283855), (28, 13957590), (30, 13027084), (35, 11166072), (38, 10284540), (40, 9770313), (42, 9305060), (47, 8315160), (56, 6978795), (57, 6856360), (60, 6513542), (70, 5583036), (76, 5142270), (84, 4652530), (94, 4157580), (95, 4113816), (105, 3722024), (114, 3428180), (120, 3256771), (133, 2938440), (140, 2791518), (141, 2771720), (152, 2571135), (168, 2326265), (188, 2078790), (190, 2056908), (210, 1861012), (228, 1714090), (235, 1663032), (266, 1469220), (280, 1395759), (282, 1385860), (285, 1371272), (329, 1187880), (376, 1039395), (380, 1028454), (399, 979480), (420, 930506), (456, 857045), (470, 831516), (521, 750120), (532, 734610), (564, 692930), (570, 685636), (658, 593940), (665, 587688), (705, 554344), (760, 514227), (798, 489740), (840, 465253), (893, 437640), (940, 415758), (987, 395960), (1042, 375060), (1064, 367305), (1128, 346465), (1140, 342818), (1316, 296970), (1330, 293844), (1410, 277172), (1563, 250040), (1596, 244870), (1645, 237576), (1786, 218820), (1880, 207879), (1974, 197980), (1995, 195896), (2084, 187530), (2280, 171409), (2605, 150024), (2632, 148485), (2660, 146922), (2679, 145880), (2820, 138586), (3126, 125020), (3192, 122435), (3290, 118788), (3572, 109410), (3647, 107160), (3948, 98990), (3990, 97948), (4168, 93765), (4465, 87528), (4935, 79192), (5210, 75012), (5320, 73461), (5358, 72940), (5640, 69293), (6251, 62520), (6252, 62510), (6580, 59394), (7144, 54705), (7294, 53580), (7815, 50008), (7896, 49495), (7980, 48974), (8930, 43764), (9870, 39596), (9899, 39480), (10420, 37506), (10716, 36470), (10941, 35720), (12502, 31260), (12504, 31255), (13160, 29697), (13395, 29176), (14588, 26790), (15630, 25004), (15960, 24487), (17860, 21882), (18235, 21432), (18753, 20840), (19740, 19798)]