138721020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{443}}^1$

素因数の和:779

約数の個数: 96

約数和(自身を含む): 413538048

約数和(自身を除く): 274817028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 307, 340, 443, 510, 614, 886, 921, 1020, 1228, 1329, 1535, 1772, 1842, 2215, 2658, 3070, 3684, 4430, 4605, 5219, 5316, 6140, 6645, 7531, 8860, 9210, 10438, 13290, 15062, 15657, 18420, 20876, 22593, 26095, 26580, 30124, 31314, 37655, 45186, 52190, 62628, 75310, 78285, 90372, 104380, 112965, 136001, 150620, 156570, 225930, 272002, 313140, 408003, 451860, 544004, 680005, 816006, 1360010, 1632012, 2040015, 2312017, 2720020, 4080030, 4624034, 6936051, 8160060, 9248068, 11560085, 13872102, 23120170, 27744204, 34680255, 46240340, 69360510, 138721020]

約数ペア:

[(1, 138721020), (2, 69360510), (3, 46240340), (4, 34680255), (5, 27744204), (6, 23120170), (10, 13872102), (12, 11560085), (15, 9248068), (17, 8160060), (20, 6936051), (30, 4624034), (34, 4080030), (51, 2720020), (60, 2312017), (68, 2040015), (85, 1632012), (102, 1360010), (170, 816006), (204, 680005), (255, 544004), (307, 451860), (340, 408003), (443, 313140), (510, 272002), (614, 225930), (886, 156570), (921, 150620), (1020, 136001), (1228, 112965), (1329, 104380), (1535, 90372), (1772, 78285), (1842, 75310), (2215, 62628), (2658, 52190), (3070, 45186), (3684, 37655), (4430, 31314), (4605, 30124), (5219, 26580), (5316, 26095), (6140, 22593), (6645, 20876), (7531, 18420), (8860, 15657), (9210, 15062), (10438, 13290)]