64640040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:291

約数の個数: 128

約数和(自身を含む): 202037760

約数和(自身を除く): 137397720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 73, 94, 120, 141, 146, 157, 188, 219, 235, 282, 292, 314, 365, 376, 438, 470, 471, 564, 584, 628, 705, 730, 785, 876, 940, 942, 1095, 1128, 1256, 1410, 1460, 1570, 1752, 1880, 1884, 2190, 2355, 2820, 2920, 3140, 3431, 3768, 4380, 4710, 5640, 6280, 6862, 7379, 8760, 9420, 10293, 11461, 13724, 14758, 17155, 18840, 20586, 22137, 22922, 27448, 29516, 34310, 34383, 36895, 41172, 44274, 45844, 51465, 57305, 59032, 68620, 68766, 73790, 82344, 88548, 91688, 102930, 110685, 114610, 137240, 137532, 147580, 171915, 177096, 205860, 221370, 229220, 275064, 295160, 343830, 411720, 442740, 458440, 538667, 687660, 885480, 1077334, 1375320, 1616001, 2154668, 2693335, 3232002, 4309336, 5386670, 6464004, 8080005, 10773340, 12928008, 16160010, 21546680, 32320020, 64640040]

約数ペア:

[(1, 64640040), (2, 32320020), (3, 21546680), (4, 16160010), (5, 12928008), (6, 10773340), (8, 8080005), (10, 6464004), (12, 5386670), (15, 4309336), (20, 3232002), (24, 2693335), (30, 2154668), (40, 1616001), (47, 1375320), (60, 1077334), (73, 885480), (94, 687660), (120, 538667), (141, 458440), (146, 442740), (157, 411720), (188, 343830), (219, 295160), (235, 275064), (282, 229220), (292, 221370), (314, 205860), (365, 177096), (376, 171915), (438, 147580), (470, 137532), (471, 137240), (564, 114610), (584, 110685), (628, 102930), (705, 91688), (730, 88548), (785, 82344), (876, 73790), (940, 68766), (942, 68620), (1095, 59032), (1128, 57305), (1256, 51465), (1410, 45844), (1460, 44274), (1570, 41172), (1752, 36895), (1880, 34383), (1884, 34310), (2190, 29516), (2355, 27448), (2820, 22922), (2920, 22137), (3140, 20586), (3431, 18840), (3768, 17155), (4380, 14758), (4710, 13724), (5640, 11461), (6280, 10293), (6862, 9420), (7379, 8760)]