78415470

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6551}}^1$

素因数の和:6590

約数の個数: 96

約数和(自身を含む): 245306880

約数和(自身を除く): 166891410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 399, 570, 630, 665, 798, 855, 1197, 1330, 1710, 1995, 2394, 3990, 5985, 6551, 11970, 13102, 19653, 32755, 39306, 45857, 58959, 65510, 91714, 98265, 117918, 124469, 137571, 196530, 229285, 248938, 275142, 294795, 373407, 412713, 458570, 589590, 622345, 687855, 746814, 825426, 871283, 1120221, 1244690, 1375710, 1742566, 1867035, 2063565, 2240442, 2613849, 3734070, 4127130, 4356415, 5227698, 5601105, 7841547, 8712830, 11202210, 13069245, 15683094, 26138490, 39207735, 78415470]

約数ペア:

[(1, 78415470), (2, 39207735), (3, 26138490), (5, 15683094), (6, 13069245), (7, 11202210), (9, 8712830), (10, 7841547), (14, 5601105), (15, 5227698), (18, 4356415), (19, 4127130), (21, 3734070), (30, 2613849), (35, 2240442), (38, 2063565), (42, 1867035), (45, 1742566), (57, 1375710), (63, 1244690), (70, 1120221), (90, 871283), (95, 825426), (105, 746814), (114, 687855), (126, 622345), (133, 589590), (171, 458570), (190, 412713), (210, 373407), (266, 294795), (285, 275142), (315, 248938), (342, 229285), (399, 196530), (570, 137571), (630, 124469), (665, 117918), (798, 98265), (855, 91714), (1197, 65510), (1330, 58959), (1710, 45857), (1995, 39306), (2394, 32755), (3990, 19653), (5985, 13102), (6551, 11970)]