72891960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 227292480

約数和(自身を除く): 154400520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 73, 106, 120, 146, 157, 159, 212, 219, 265, 292, 314, 318, 365, 424, 438, 471, 530, 584, 628, 636, 730, 785, 795, 876, 942, 1060, 1095, 1256, 1272, 1460, 1570, 1590, 1752, 1884, 2120, 2190, 2355, 2920, 3140, 3180, 3768, 3869, 4380, 4710, 6280, 6360, 7738, 8321, 8760, 9420, 11461, 11607, 15476, 16642, 18840, 19345, 22922, 23214, 24963, 30952, 33284, 34383, 38690, 41605, 45844, 46428, 49926, 57305, 58035, 66568, 68766, 77380, 83210, 91688, 92856, 99852, 114610, 116070, 124815, 137532, 154760, 166420, 171915, 199704, 229220, 232140, 249630, 275064, 332840, 343830, 458440, 464280, 499260, 607433, 687660, 998520, 1214866, 1375320, 1822299, 2429732, 3037165, 3644598, 4859464, 6074330, 7289196, 9111495, 12148660, 14578392, 18222990, 24297320, 36445980, 72891960]

約数ペア:

[(1, 72891960), (2, 36445980), (3, 24297320), (4, 18222990), (5, 14578392), (6, 12148660), (8, 9111495), (10, 7289196), (12, 6074330), (15, 4859464), (20, 3644598), (24, 3037165), (30, 2429732), (40, 1822299), (53, 1375320), (60, 1214866), (73, 998520), (106, 687660), (120, 607433), (146, 499260), (157, 464280), (159, 458440), (212, 343830), (219, 332840), (265, 275064), (292, 249630), (314, 232140), (318, 229220), (365, 199704), (424, 171915), (438, 166420), (471, 154760), (530, 137532), (584, 124815), (628, 116070), (636, 114610), (730, 99852), (785, 92856), (795, 91688), (876, 83210), (942, 77380), (1060, 68766), (1095, 66568), (1256, 58035), (1272, 57305), (1460, 49926), (1570, 46428), (1590, 45844), (1752, 41605), (1884, 38690), (2120, 34383), (2190, 33284), (2355, 30952), (2920, 24963), (3140, 23214), (3180, 22922), (3768, 19345), (3869, 18840), (4380, 16642), (4710, 15476), (6280, 11607), (6360, 11461), (7738, 9420), (8321, 8760)]