72473920

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:312

約数の個数: 112

約数和(自身を含む): 185074560

約数和(自身を除く): 112600640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 43, 46, 64, 80, 86, 92, 115, 160, 172, 184, 215, 229, 230, 320, 344, 368, 430, 458, 460, 688, 736, 860, 916, 920, 989, 1145, 1376, 1472, 1720, 1832, 1840, 1978, 2290, 2752, 3440, 3664, 3680, 3956, 4580, 4945, 5267, 6880, 7328, 7360, 7912, 9160, 9847, 9890, 10534, 13760, 14656, 15824, 18320, 19694, 19780, 21068, 26335, 31648, 36640, 39388, 39560, 42136, 49235, 52670, 63296, 73280, 78776, 79120, 84272, 98470, 105340, 157552, 158240, 168544, 196940, 210680, 226481, 315104, 316480, 337088, 393880, 421360, 452962, 630208, 787760, 842720, 905924, 1132405, 1575520, 1685440, 1811848, 2264810, 3151040, 3623696, 4529620, 7247392, 9059240, 14494784, 18118480, 36236960, 72473920]

約数ペア:

[(1, 72473920), (2, 36236960), (4, 18118480), (5, 14494784), (8, 9059240), (10, 7247392), (16, 4529620), (20, 3623696), (23, 3151040), (32, 2264810), (40, 1811848), (43, 1685440), (46, 1575520), (64, 1132405), (80, 905924), (86, 842720), (92, 787760), (115, 630208), (160, 452962), (172, 421360), (184, 393880), (215, 337088), (229, 316480), (230, 315104), (320, 226481), (344, 210680), (368, 196940), (430, 168544), (458, 158240), (460, 157552), (688, 105340), (736, 98470), (860, 84272), (916, 79120), (920, 78776), (989, 73280), (1145, 63296), (1376, 52670), (1472, 49235), (1720, 42136), (1832, 39560), (1840, 39388), (1978, 36640), (2290, 31648), (2752, 26335), (3440, 21068), (3664, 19780), (3680, 19694), (3956, 18320), (4580, 15824), (4945, 14656), (5267, 13760), (6880, 10534), (7328, 9890), (7360, 9847), (7912, 9160)]