177968520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:516

約数の個数: 192

約数和(自身を含む): 614615040

約数和(自身を除く): 436646520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 37, 40, 45, 60, 62, 72, 74, 90, 93, 111, 120, 124, 148, 155, 180, 185, 186, 222, 248, 279, 296, 310, 333, 360, 370, 372, 431, 444, 465, 555, 558, 620, 666, 740, 744, 862, 888, 930, 1110, 1116, 1147, 1240, 1293, 1332, 1395, 1480, 1665, 1724, 1860, 2155, 2220, 2232, 2294, 2586, 2664, 2790, 3330, 3441, 3448, 3720, 3879, 4310, 4440, 4588, 5172, 5580, 5735, 6465, 6660, 6882, 7758, 8620, 9176, 10323, 10344, 11160, 11470, 12930, 13320, 13361, 13764, 15516, 15947, 17205, 17240, 19395, 20646, 22940, 25860, 26722, 27528, 31032, 31894, 34410, 38790, 40083, 41292, 45880, 47841, 51615, 51720, 53444, 63788, 66805, 68820, 77580, 79735, 80166, 82584, 95682, 103230, 106888, 120249, 127576, 133610, 137640, 143523, 155160, 159470, 160332, 191364, 200415, 206460, 239205, 240498, 267220, 287046, 318940, 320664, 382728, 400830, 412920, 478410, 480996, 494357, 534440, 574092, 601245, 637880, 717615, 801660, 956820, 961992, 988714, 1148184, 1202490, 1435230, 1483071, 1603320, 1913640, 1977428, 2404980, 2471785, 2870460, 2966142, 3954856, 4449213, 4809960, 4943570, 5740920, 5932284, 7415355, 8898426, 9887140, 11864568, 14830710, 17796852, 19774280, 22246065, 29661420, 35593704, 44492130, 59322840, 88984260, 177968520]

約数ペア:

[(1, 177968520), (2, 88984260), (3, 59322840), (4, 44492130), (5, 35593704), (6, 29661420), (8, 22246065), (9, 19774280), (10, 17796852), (12, 14830710), (15, 11864568), (18, 9887140), (20, 8898426), (24, 7415355), (30, 5932284), (31, 5740920), (36, 4943570), (37, 4809960), (40, 4449213), (45, 3954856), (60, 2966142), (62, 2870460), (72, 2471785), (74, 2404980), (90, 1977428), (93, 1913640), (111, 1603320), (120, 1483071), (124, 1435230), (148, 1202490), (155, 1148184), (180, 988714), (185, 961992), (186, 956820), (222, 801660), (248, 717615), (279, 637880), (296, 601245), (310, 574092), (333, 534440), (360, 494357), (370, 480996), (372, 478410), (431, 412920), (444, 400830), (465, 382728), (555, 320664), (558, 318940), (620, 287046), (666, 267220), (740, 240498), (744, 239205), (862, 206460), (888, 200415), (930, 191364), (1110, 160332), (1116, 159470), (1147, 155160), (1240, 143523), (1293, 137640), (1332, 133610), (1395, 127576), (1480, 120249), (1665, 106888), (1724, 103230), (1860, 95682), (2155, 82584), (2220, 80166), (2232, 79735), (2294, 77580), (2586, 68820), (2664, 66805), (2790, 63788), (3330, 53444), (3441, 51720), (3448, 51615), (3720, 47841), (3879, 45880), (4310, 41292), (4440, 40083), (4588, 38790), (5172, 34410), (5580, 31894), (5735, 31032), (6465, 27528), (6660, 26722), (6882, 25860), (7758, 22940), (8620, 20646), (9176, 19395), (10323, 17240), (10344, 17205), (11160, 15947), (11470, 15516), (12930, 13764), (13320, 13361)]