207378840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:673

約数の個数: 128

約数和(自身を含む): 649451520

約数和(自身を除く): 442072680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 107, 120, 124, 155, 186, 214, 248, 310, 321, 372, 428, 465, 521, 535, 620, 642, 744, 856, 930, 1042, 1070, 1240, 1284, 1563, 1605, 1860, 2084, 2140, 2568, 2605, 3126, 3210, 3317, 3720, 4168, 4280, 5210, 6252, 6420, 6634, 7815, 9951, 10420, 12504, 12840, 13268, 15630, 16151, 16585, 19902, 20840, 26536, 31260, 32302, 33170, 39804, 48453, 49755, 55747, 62520, 64604, 66340, 79608, 80755, 96906, 99510, 111494, 129208, 132680, 161510, 167241, 193812, 199020, 222988, 242265, 278735, 323020, 334482, 387624, 398040, 445976, 484530, 557470, 646040, 668964, 836205, 969060, 1114940, 1337928, 1672410, 1728157, 1938120, 2229880, 3344820, 3456314, 5184471, 6689640, 6912628, 8640785, 10368942, 13825256, 17281570, 20737884, 25922355, 34563140, 41475768, 51844710, 69126280, 103689420, 207378840]

約数ペア:

[(1, 207378840), (2, 103689420), (3, 69126280), (4, 51844710), (5, 41475768), (6, 34563140), (8, 25922355), (10, 20737884), (12, 17281570), (15, 13825256), (20, 10368942), (24, 8640785), (30, 6912628), (31, 6689640), (40, 5184471), (60, 3456314), (62, 3344820), (93, 2229880), (107, 1938120), (120, 1728157), (124, 1672410), (155, 1337928), (186, 1114940), (214, 969060), (248, 836205), (310, 668964), (321, 646040), (372, 557470), (428, 484530), (465, 445976), (521, 398040), (535, 387624), (620, 334482), (642, 323020), (744, 278735), (856, 242265), (930, 222988), (1042, 199020), (1070, 193812), (1240, 167241), (1284, 161510), (1563, 132680), (1605, 129208), (1860, 111494), (2084, 99510), (2140, 96906), (2568, 80755), (2605, 79608), (3126, 66340), (3210, 64604), (3317, 62520), (3720, 55747), (4168, 49755), (4280, 48453), (5210, 39804), (6252, 33170), (6420, 32302), (6634, 31260), (7815, 26536), (9951, 20840), (10420, 19902), (12504, 16585), (12840, 16151), (13268, 15630)]