65760760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 173638080

約数和(自身を除く): 107877320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 43, 52, 65, 68, 85, 86, 104, 130, 136, 170, 172, 173, 215, 221, 260, 340, 344, 346, 430, 442, 520, 559, 680, 692, 731, 860, 865, 884, 1105, 1118, 1384, 1462, 1720, 1730, 1768, 2210, 2236, 2249, 2795, 2924, 2941, 3460, 3655, 4420, 4472, 4498, 5590, 5848, 5882, 6920, 7310, 7439, 8840, 8996, 9503, 11180, 11245, 11764, 14620, 14705, 14878, 17992, 19006, 22360, 22490, 23528, 29240, 29410, 29756, 37195, 38012, 38233, 44980, 47515, 58820, 59512, 74390, 76024, 76466, 89960, 95030, 96707, 117640, 126463, 148780, 152932, 190060, 191165, 193414, 252926, 297560, 305864, 380120, 382330, 386828, 483535, 505852, 632315, 764660, 773656, 967070, 1011704, 1264630, 1529320, 1644019, 1934140, 2529260, 3288038, 3868280, 5058520, 6576076, 8220095, 13152152, 16440190, 32880380, 65760760]

約数ペア:

[(1, 65760760), (2, 32880380), (4, 16440190), (5, 13152152), (8, 8220095), (10, 6576076), (13, 5058520), (17, 3868280), (20, 3288038), (26, 2529260), (34, 1934140), (40, 1644019), (43, 1529320), (52, 1264630), (65, 1011704), (68, 967070), (85, 773656), (86, 764660), (104, 632315), (130, 505852), (136, 483535), (170, 386828), (172, 382330), (173, 380120), (215, 305864), (221, 297560), (260, 252926), (340, 193414), (344, 191165), (346, 190060), (430, 152932), (442, 148780), (520, 126463), (559, 117640), (680, 96707), (692, 95030), (731, 89960), (860, 76466), (865, 76024), (884, 74390), (1105, 59512), (1118, 58820), (1384, 47515), (1462, 44980), (1720, 38233), (1730, 38012), (1768, 37195), (2210, 29756), (2236, 29410), (2249, 29240), (2795, 23528), (2924, 22490), (2941, 22360), (3460, 19006), (3655, 17992), (4420, 14878), (4472, 14705), (4498, 14620), (5590, 11764), (5848, 11245), (5882, 11180), (6920, 9503), (7310, 8996), (7439, 8840)]