638521632

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:672

約数の個数: 288

約数和(自身を含む): 2271919104

約数和(自身を除く): 1633397472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 31, 32, 34, 36, 42, 48, 51, 56, 62, 63, 68, 72, 84, 93, 96, 102, 112, 119, 124, 126, 136, 144, 153, 168, 186, 204, 217, 224, 238, 248, 252, 272, 279, 288, 306, 336, 357, 372, 408, 434, 476, 496, 504, 527, 544, 558, 601, 612, 651, 672, 714, 744, 816, 868, 952, 992, 1008, 1054, 1071, 1116, 1202, 1224, 1302, 1428, 1488, 1581, 1632, 1736, 1803, 1904, 1953, 2016, 2108, 2142, 2232, 2404, 2448, 2604, 2856, 2976, 3162, 3472, 3606, 3689, 3808, 3906, 4207, 4216, 4284, 4464, 4743, 4808, 4896, 5208, 5409, 5712, 6324, 6944, 7212, 7378, 7812, 8414, 8432, 8568, 8928, 9486, 9616, 10217, 10416, 10818, 11067, 11424, 12621, 12648, 14424, 14756, 15624, 16828, 16864, 17136, 18631, 18972, 19232, 20434, 20832, 21636, 22134, 25242, 25296, 28848, 29512, 30651, 31248, 33201, 33656, 34272, 37262, 37863, 37944, 40868, 43272, 44268, 50484, 50592, 55893, 57696, 59024, 61302, 62496, 66402, 67312, 71519, 74524, 75726, 75888, 81736, 86544, 88536, 91953, 100968, 111786, 118048, 122604, 130417, 132804, 134624, 143038, 149048, 151452, 151776, 163472, 167679, 173088, 177072, 183906, 201936, 214557, 223572, 245208, 260834, 265608, 286076, 298096, 302904, 316727, 326944, 335358, 354144, 367812, 391251, 403872, 429114, 447144, 490416, 521668, 531216, 572152, 596192, 605808, 633454, 643671, 670716, 735624, 782502, 858228, 894288, 950181, 980832, 1043336, 1062432, 1144304, 1173753, 1211616, 1266908, 1287342, 1341432, 1471248, 1565004, 1716456, 1788576, 1900362, 2086672, 2217089, 2288608, 2347506, 2533816, 2574684, 2682864, 2850543, 2942496, 3130008, 3432912, 3800724, 4173344, 4434178, 4695012, 5067632, 5149368, 5365728, 5701086, 6260016, 6651267, 6865824, 7601448, 8868356, 9390024, 10135264, 10298736, 11402172, 12520032, 13302534, 15202896, 17736712, 18780048, 19953801, 20597472, 22804344, 26605068, 30405792, 35473424, 37560096, 39907602, 45608688, 53210136, 70946848, 79815204, 91217376, 106420272, 159630408, 212840544, 319260816, 638521632]

約数ペア:

[(1, 638521632), (2, 319260816), (3, 212840544), (4, 159630408), (6, 106420272), (7, 91217376), (8, 79815204), (9, 70946848), (12, 53210136), (14, 45608688), (16, 39907602), (17, 37560096), (18, 35473424), (21, 30405792), (24, 26605068), (28, 22804344), (31, 20597472), (32, 19953801), (34, 18780048), (36, 17736712), (42, 15202896), (48, 13302534), (51, 12520032), (56, 11402172), (62, 10298736), (63, 10135264), (68, 9390024), (72, 8868356), (84, 7601448), (93, 6865824), (96, 6651267), (102, 6260016), (112, 5701086), (119, 5365728), (124, 5149368), (126, 5067632), (136, 4695012), (144, 4434178), (153, 4173344), (168, 3800724), (186, 3432912), (204, 3130008), (217, 2942496), (224, 2850543), (238, 2682864), (248, 2574684), (252, 2533816), (272, 2347506), (279, 2288608), (288, 2217089), (306, 2086672), (336, 1900362), (357, 1788576), (372, 1716456), (408, 1565004), (434, 1471248), (476, 1341432), (496, 1287342), (504, 1266908), (527, 1211616), (544, 1173753), (558, 1144304), (601, 1062432), (612, 1043336), (651, 980832), (672, 950181), (714, 894288), (744, 858228), (816, 782502), (868, 735624), (952, 670716), (992, 643671), (1008, 633454), (1054, 605808), (1071, 596192), (1116, 572152), (1202, 531216), (1224, 521668), (1302, 490416), (1428, 447144), (1488, 429114), (1581, 403872), (1632, 391251), (1736, 367812), (1803, 354144), (1904, 335358), (1953, 326944), (2016, 316727), (2108, 302904), (2142, 298096), (2232, 286076), (2404, 265608), (2448, 260834), (2604, 245208), (2856, 223572), (2976, 214557), (3162, 201936), (3472, 183906), (3606, 177072), (3689, 173088), (3808, 167679), (3906, 163472), (4207, 151776), (4216, 151452), (4284, 149048), (4464, 143038), (4743, 134624), (4808, 132804), (4896, 130417), (5208, 122604), (5409, 118048), (5712, 111786), (6324, 100968), (6944, 91953), (7212, 88536), (7378, 86544), (7812, 81736), (8414, 75888), (8432, 75726), (8568, 74524), (8928, 71519), (9486, 67312), (9616, 66402), (10217, 62496), (10416, 61302), (10818, 59024), (11067, 57696), (11424, 55893), (12621, 50592), (12648, 50484), (14424, 44268), (14756, 43272), (15624, 40868), (16828, 37944), (16864, 37863), (17136, 37262), (18631, 34272), (18972, 33656), (19232, 33201), (20434, 31248), (20832, 30651), (21636, 29512), (22134, 28848), (25242, 25296)]