2740973480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{1123}}^1$

素因数の和:1543

約数の個数: 128

約数和(自身を含む): 7380633600

約数和(自身を除く): 4639660120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 379, 460, 644, 758, 805, 920, 1123, 1288, 1516, 1610, 1895, 2246, 2653, 3032, 3220, 3790, 4492, 5306, 5615, 6440, 7580, 7861, 8717, 8984, 10612, 11230, 13265, 15160, 15722, 17434, 21224, 22460, 25829, 26530, 31444, 34868, 39305, 43585, 44920, 51658, 53060, 61019, 62888, 69736, 78610, 87170, 103316, 106120, 122038, 129145, 157220, 174340, 180803, 206632, 244076, 258290, 305095, 314440, 348680, 361606, 425617, 488152, 516580, 610190, 723212, 851234, 904015, 1033160, 1220380, 1446424, 1702468, 1808030, 2128085, 2440760, 2979319, 3404936, 3616060, 4256170, 5958638, 7232120, 8512340, 9789191, 11917276, 14896595, 17024680, 19578382, 23834552, 29793190, 39156764, 48945955, 59586380, 68524337, 78313528, 97891910, 119172760, 137048674, 195783820, 274097348, 342621685, 391567640, 548194696, 685243370, 1370486740, 2740973480]

約数ペア:

[(1, 2740973480), (2, 1370486740), (4, 685243370), (5, 548194696), (7, 391567640), (8, 342621685), (10, 274097348), (14, 195783820), (20, 137048674), (23, 119172760), (28, 97891910), (35, 78313528), (40, 68524337), (46, 59586380), (56, 48945955), (70, 39156764), (92, 29793190), (115, 23834552), (140, 19578382), (161, 17024680), (184, 14896595), (230, 11917276), (280, 9789191), (322, 8512340), (379, 7232120), (460, 5958638), (644, 4256170), (758, 3616060), (805, 3404936), (920, 2979319), (1123, 2440760), (1288, 2128085), (1516, 1808030), (1610, 1702468), (1895, 1446424), (2246, 1220380), (2653, 1033160), (3032, 904015), (3220, 851234), (3790, 723212), (4492, 610190), (5306, 516580), (5615, 488152), (6440, 425617), (7580, 361606), (7861, 348680), (8717, 314440), (8984, 305095), (10612, 258290), (11230, 244076), (13265, 206632), (15160, 180803), (15722, 174340), (17434, 157220), (21224, 129145), (22460, 122038), (25829, 106120), (26530, 103316), (31444, 87170), (34868, 78610), (39305, 69736), (43585, 62888), (44920, 61019), (51658, 53060)]