7801290

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 144

約数和(自身を含む): 24808680

約数和(自身を除く): 17007390

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 35, 42, 45, 49, 58, 61, 63, 70, 87, 90, 98, 105, 122, 126, 145, 147, 174, 183, 203, 210, 245, 261, 290, 294, 305, 315, 366, 406, 427, 435, 441, 490, 522, 549, 609, 610, 630, 735, 854, 870, 882, 915, 1015, 1098, 1218, 1281, 1305, 1421, 1470, 1769, 1827, 1830, 2030, 2135, 2205, 2562, 2610, 2745, 2842, 2989, 3045, 3538, 3654, 3843, 4263, 4270, 4410, 5307, 5490, 5978, 6090, 6405, 7105, 7686, 8526, 8845, 8967, 9135, 10614, 12383, 12789, 12810, 14210, 14945, 15921, 17690, 17934, 18270, 19215, 21315, 24766, 25578, 26535, 26901, 29890, 31842, 37149, 38430, 42630, 44835, 53070, 53802, 61915, 63945, 74298, 79605, 86681, 89670, 111447, 123830, 127890, 134505, 159210, 173362, 185745, 222894, 260043, 269010, 371490, 433405, 520086, 557235, 780129, 866810, 1114470, 1300215, 1560258, 2600430, 3900645, 7801290]

約数ペア:

[(1, 7801290), (2, 3900645), (3, 2600430), (5, 1560258), (6, 1300215), (7, 1114470), (9, 866810), (10, 780129), (14, 557235), (15, 520086), (18, 433405), (21, 371490), (29, 269010), (30, 260043), (35, 222894), (42, 185745), (45, 173362), (49, 159210), (58, 134505), (61, 127890), (63, 123830), (70, 111447), (87, 89670), (90, 86681), (98, 79605), (105, 74298), (122, 63945), (126, 61915), (145, 53802), (147, 53070), (174, 44835), (183, 42630), (203, 38430), (210, 37149), (245, 31842), (261, 29890), (290, 26901), (294, 26535), (305, 25578), (315, 24766), (366, 21315), (406, 19215), (427, 18270), (435, 17934), (441, 17690), (490, 15921), (522, 14945), (549, 14210), (609, 12810), (610, 12789), (630, 12383), (735, 10614), (854, 9135), (870, 8967), (882, 8845), (915, 8526), (1015, 7686), (1098, 7105), (1218, 6405), (1281, 6090), (1305, 5978), (1421, 5490), (1470, 5307), (1769, 4410), (1827, 4270), (1830, 4263), (2030, 3843), (2135, 3654), (2205, 3538), (2562, 3045), (2610, 2989), (2745, 2842)]