68205720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 225296640

約数和(自身を除く): 157090920

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, 317, 326, 330, 440, 489, 634, 652, 660, 815, 951, 978, 1268, 1304, 1320, 1585, 1630, 1793, 1902, 1956, 2445, 2536, 3170, 3260, 3487, 3586, 3804, 3912, 4755, 4890, 5379, 6340, 6520, 6974, 7172, 7608, 8965, 9510, 9780, 10461, 10758, 12680, 13948, 14344, 17435, 17930, 19020, 19560, 20922, 21516, 26895, 27896, 34870, 35860, 38040, 41844, 43032, 51671, 52305, 53790, 69740, 71720, 83688, 103342, 104610, 107580, 139480, 155013, 206684, 209220, 215160, 258355, 310026, 413368, 418440, 516710, 568381, 620052, 775065, 1033420, 1136762, 1240104, 1550130, 1705143, 2066840, 2273524, 2841905, 3100260, 3410286, 4547048, 5683810, 6200520, 6820572, 8525715, 11367620, 13641144, 17051430, 22735240, 34102860, 68205720]

約数ペア:

[(1, 68205720), (2, 34102860), (3, 22735240), (4, 17051430), (5, 13641144), (6, 11367620), (8, 8525715), (10, 6820572), (11, 6200520), (12, 5683810), (15, 4547048), (20, 3410286), (22, 3100260), (24, 2841905), (30, 2273524), (33, 2066840), (40, 1705143), (44, 1550130), (55, 1240104), (60, 1136762), (66, 1033420), (88, 775065), (110, 620052), (120, 568381), (132, 516710), (163, 418440), (165, 413368), (220, 310026), (264, 258355), (317, 215160), (326, 209220), (330, 206684), (440, 155013), (489, 139480), (634, 107580), (652, 104610), (660, 103342), (815, 83688), (951, 71720), (978, 69740), (1268, 53790), (1304, 52305), (1320, 51671), (1585, 43032), (1630, 41844), (1793, 38040), (1902, 35860), (1956, 34870), (2445, 27896), (2536, 26895), (3170, 21516), (3260, 20922), (3487, 19560), (3586, 19020), (3804, 17930), (3912, 17435), (4755, 14344), (4890, 13948), (5379, 12680), (6340, 10758), (6520, 10461), (6974, 9780), (7172, 9510), (7608, 8965)]