261783840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:363

約数の個数: 192

約数和(自身を含む): 866460672

約数和(自身を除く): 604676832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 73, 80, 93, 96, 120, 124, 146, 155, 160, 186, 219, 240, 241, 248, 292, 310, 365, 372, 438, 465, 480, 482, 496, 584, 620, 723, 730, 744, 876, 930, 964, 992, 1095, 1168, 1205, 1240, 1446, 1460, 1488, 1752, 1860, 1928, 2190, 2263, 2336, 2410, 2480, 2892, 2920, 2976, 3504, 3615, 3720, 3856, 4380, 4526, 4820, 4960, 5784, 5840, 6789, 7008, 7230, 7440, 7471, 7712, 8760, 9052, 9640, 11315, 11568, 11680, 13578, 14460, 14880, 14942, 17520, 17593, 18104, 19280, 22413, 22630, 23136, 27156, 28920, 29884, 33945, 35040, 35186, 36208, 37355, 38560, 44826, 45260, 52779, 54312, 57840, 59768, 67890, 70372, 72416, 74710, 87965, 89652, 90520, 105558, 108624, 112065, 115680, 119536, 135780, 140744, 149420, 175930, 179304, 181040, 211116, 217248, 224130, 239072, 263895, 271560, 281488, 298840, 351860, 358608, 362080, 422232, 448260, 527790, 543120, 545383, 562976, 597680, 703720, 717216, 844464, 896520, 1055580, 1086240, 1090766, 1195360, 1407440, 1636149, 1688928, 1793040, 2111160, 2181532, 2726915, 2814880, 3272298, 3586080, 4222320, 4363064, 5453830, 6544596, 8180745, 8444640, 8726128, 10907660, 13089192, 16361490, 17452256, 21815320, 26178384, 32722980, 43630640, 52356768, 65445960, 87261280, 130891920, 261783840]

約数ペア:

[(1, 261783840), (2, 130891920), (3, 87261280), (4, 65445960), (5, 52356768), (6, 43630640), (8, 32722980), (10, 26178384), (12, 21815320), (15, 17452256), (16, 16361490), (20, 13089192), (24, 10907660), (30, 8726128), (31, 8444640), (32, 8180745), (40, 6544596), (48, 5453830), (60, 4363064), (62, 4222320), (73, 3586080), (80, 3272298), (93, 2814880), (96, 2726915), (120, 2181532), (124, 2111160), (146, 1793040), (155, 1688928), (160, 1636149), (186, 1407440), (219, 1195360), (240, 1090766), (241, 1086240), (248, 1055580), (292, 896520), (310, 844464), (365, 717216), (372, 703720), (438, 597680), (465, 562976), (480, 545383), (482, 543120), (496, 527790), (584, 448260), (620, 422232), (723, 362080), (730, 358608), (744, 351860), (876, 298840), (930, 281488), (964, 271560), (992, 263895), (1095, 239072), (1168, 224130), (1205, 217248), (1240, 211116), (1446, 181040), (1460, 179304), (1488, 175930), (1752, 149420), (1860, 140744), (1928, 135780), (2190, 119536), (2263, 115680), (2336, 112065), (2410, 108624), (2480, 105558), (2892, 90520), (2920, 89652), (2976, 87965), (3504, 74710), (3615, 72416), (3720, 70372), (3856, 67890), (4380, 59768), (4526, 57840), (4820, 54312), (4960, 52779), (5784, 45260), (5840, 44826), (6789, 38560), (7008, 37355), (7230, 36208), (7440, 35186), (7471, 35040), (7712, 33945), (8760, 29884), (9052, 28920), (9640, 27156), (11315, 23136), (11568, 22630), (11680, 22413), (13578, 19280), (14460, 18104), (14880, 17593), (14942, 17520)]