30244580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 69128640

約数和(自身を除く): 38884060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 71, 76, 95, 118, 142, 190, 236, 284, 295, 355, 361, 380, 590, 710, 722, 1121, 1180, 1349, 1420, 1444, 1805, 2242, 2698, 3610, 4189, 4484, 5396, 5605, 6745, 7220, 8378, 11210, 13490, 16756, 20945, 21299, 22420, 25631, 26980, 41890, 42598, 51262, 79591, 83780, 85196, 102524, 106495, 128155, 159182, 212990, 256310, 318364, 397955, 425980, 512620, 795910, 1512229, 1591820, 3024458, 6048916, 7561145, 15122290, 30244580]

約数ペア:

[(1, 30244580), (2, 15122290), (4, 7561145), (5, 6048916), (10, 3024458), (19, 1591820), (20, 1512229), (38, 795910), (59, 512620), (71, 425980), (76, 397955), (95, 318364), (118, 256310), (142, 212990), (190, 159182), (236, 128155), (284, 106495), (295, 102524), (355, 85196), (361, 83780), (380, 79591), (590, 51262), (710, 42598), (722, 41890), (1121, 26980), (1180, 25631), (1349, 22420), (1420, 21299), (1444, 20945), (1805, 16756), (2242, 13490), (2698, 11210), (3610, 8378), (4189, 7220), (4484, 6745), (5396, 5605)]