72508920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{337}}^1$

素因数の和:525

約数の個数: 128

約数和(自身を含む): 239466240

約数和(自身を除く): 166957320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 163, 165, 220, 264, 326, 330, 337, 440, 489, 652, 660, 674, 815, 978, 1011, 1304, 1320, 1348, 1630, 1685, 1793, 1956, 2022, 2445, 2696, 3260, 3370, 3586, 3707, 3912, 4044, 4890, 5055, 5379, 6520, 6740, 7172, 7414, 8088, 8965, 9780, 10110, 10758, 11121, 13480, 14344, 14828, 17930, 18535, 19560, 20220, 21516, 22242, 26895, 29656, 35860, 37070, 40440, 43032, 44484, 53790, 54931, 55605, 71720, 74140, 88968, 107580, 109862, 111210, 148280, 164793, 215160, 219724, 222420, 274655, 329586, 439448, 444840, 549310, 604241, 659172, 823965, 1098620, 1208482, 1318344, 1647930, 1812723, 2197240, 2416964, 3021205, 3295860, 3625446, 4833928, 6042410, 6591720, 7250892, 9063615, 12084820, 14501784, 18127230, 24169640, 36254460, 72508920]

約数ペア:

[(1, 72508920), (2, 36254460), (3, 24169640), (4, 18127230), (5, 14501784), (6, 12084820), (8, 9063615), (10, 7250892), (11, 6591720), (12, 6042410), (15, 4833928), (20, 3625446), (22, 3295860), (24, 3021205), (30, 2416964), (33, 2197240), (40, 1812723), (44, 1647930), (55, 1318344), (60, 1208482), (66, 1098620), (88, 823965), (110, 659172), (120, 604241), (132, 549310), (163, 444840), (165, 439448), (220, 329586), (264, 274655), (326, 222420), (330, 219724), (337, 215160), (440, 164793), (489, 148280), (652, 111210), (660, 109862), (674, 107580), (815, 88968), (978, 74140), (1011, 71720), (1304, 55605), (1320, 54931), (1348, 53790), (1630, 44484), (1685, 43032), (1793, 40440), (1956, 37070), (2022, 35860), (2445, 29656), (2696, 26895), (3260, 22242), (3370, 21516), (3586, 20220), (3707, 19560), (3912, 18535), (4044, 17930), (4890, 14828), (5055, 14344), (5379, 13480), (6520, 11121), (6740, 10758), (7172, 10110), (7414, 9780), (8088, 8965)]