18304240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 46255968

約数和(自身を除く): 27951728

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 215, 272, 313, 340, 344, 430, 626, 680, 688, 731, 860, 1252, 1360, 1462, 1565, 1720, 2504, 2924, 3130, 3440, 3655, 5008, 5321, 5848, 6260, 7310, 10642, 11696, 12520, 13459, 14620, 21284, 25040, 26605, 26918, 29240, 42568, 53210, 53836, 58480, 67295, 85136, 106420, 107672, 134590, 212840, 215344, 228803, 269180, 425680, 457606, 538360, 915212, 1076720, 1144015, 1830424, 2288030, 3660848, 4576060, 9152120, 18304240]

約数ペア:

[(1, 18304240), (2, 9152120), (4, 4576060), (5, 3660848), (8, 2288030), (10, 1830424), (16, 1144015), (17, 1076720), (20, 915212), (34, 538360), (40, 457606), (43, 425680), (68, 269180), (80, 228803), (85, 215344), (86, 212840), (136, 134590), (170, 107672), (172, 106420), (215, 85136), (272, 67295), (313, 58480), (340, 53836), (344, 53210), (430, 42568), (626, 29240), (680, 26918), (688, 26605), (731, 25040), (860, 21284), (1252, 14620), (1360, 13459), (1462, 12520), (1565, 11696), (1720, 10642), (2504, 7310), (2924, 6260), (3130, 5848), (3440, 5321), (3655, 5008)]