80446140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 256943232

約数和(自身を除く): 176497092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 47, 60, 74, 90, 94, 111, 141, 148, 180, 185, 188, 222, 235, 257, 282, 333, 370, 423, 444, 470, 514, 555, 564, 666, 705, 740, 771, 846, 940, 1028, 1110, 1285, 1332, 1410, 1542, 1665, 1692, 1739, 2115, 2220, 2313, 2570, 2820, 3084, 3330, 3478, 3855, 4230, 4626, 5140, 5217, 6660, 6956, 7710, 8460, 8695, 9252, 9509, 10434, 11565, 12079, 15420, 15651, 17390, 19018, 20868, 23130, 24158, 26085, 28527, 31302, 34780, 36237, 38036, 46260, 47545, 48316, 52170, 57054, 60395, 62604, 72474, 78255, 85581, 95090, 104340, 108711, 114108, 120790, 142635, 144948, 156510, 171162, 181185, 190180, 217422, 241580, 285270, 313020, 342324, 362370, 427905, 434844, 446923, 543555, 570540, 724740, 855810, 893846, 1087110, 1340769, 1711620, 1787692, 2174220, 2234615, 2681538, 4022307, 4469230, 5363076, 6703845, 8044614, 8938460, 13407690, 16089228, 20111535, 26815380, 40223070, 80446140]

約数ペア:

[(1, 80446140), (2, 40223070), (3, 26815380), (4, 20111535), (5, 16089228), (6, 13407690), (9, 8938460), (10, 8044614), (12, 6703845), (15, 5363076), (18, 4469230), (20, 4022307), (30, 2681538), (36, 2234615), (37, 2174220), (45, 1787692), (47, 1711620), (60, 1340769), (74, 1087110), (90, 893846), (94, 855810), (111, 724740), (141, 570540), (148, 543555), (180, 446923), (185, 434844), (188, 427905), (222, 362370), (235, 342324), (257, 313020), (282, 285270), (333, 241580), (370, 217422), (423, 190180), (444, 181185), (470, 171162), (514, 156510), (555, 144948), (564, 142635), (666, 120790), (705, 114108), (740, 108711), (771, 104340), (846, 95090), (940, 85581), (1028, 78255), (1110, 72474), (1285, 62604), (1332, 60395), (1410, 57054), (1542, 52170), (1665, 48316), (1692, 47545), (1739, 46260), (2115, 38036), (2220, 36237), (2313, 34780), (2570, 31302), (2820, 28527), (3084, 26085), (3330, 24158), (3478, 23130), (3855, 20868), (4230, 19018), (4626, 17390), (5140, 15651), (5217, 15420), (6660, 12079), (6956, 11565), (7710, 10434), (8460, 9509), (8695, 9252)]