490614840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19751}}^1$

素因数の和:19794

約数の個数: 128

約数和(自身を含む): 1706572800

約数和(自身を除く): 1215957960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 828, 920, 1035, 1080, 1242, 1380, 1656, 2070, 2484, 2760, 3105, 4140, 4968, 6210, 8280, 12420, 19751, 24840, 39502, 59253, 79004, 98755, 118506, 158008, 177759, 197510, 237012, 296265, 355518, 395020, 454273, 474024, 533277, 592530, 711036, 790040, 888795, 908546, 1066554, 1185060, 1362819, 1422072, 1777590, 1817092, 2133108, 2271365, 2370120, 2666385, 2725638, 3555180, 3634184, 4088457, 4266216, 4542730, 5332770, 5451276, 6814095, 7110360, 8176914, 9085460, 10665540, 10902552, 12265371, 13628190, 16353828, 18170920, 20442285, 21331080, 24530742, 27256380, 32707656, 40884570, 49061484, 54512760, 61326855, 81769140, 98122968, 122653710, 163538280, 245307420, 490614840]

約数ペア:

[(1, 490614840), (2, 245307420), (3, 163538280), (4, 122653710), (5, 98122968), (6, 81769140), (8, 61326855), (9, 54512760), (10, 49061484), (12, 40884570), (15, 32707656), (18, 27256380), (20, 24530742), (23, 21331080), (24, 20442285), (27, 18170920), (30, 16353828), (36, 13628190), (40, 12265371), (45, 10902552), (46, 10665540), (54, 9085460), (60, 8176914), (69, 7110360), (72, 6814095), (90, 5451276), (92, 5332770), (108, 4542730), (115, 4266216), (120, 4088457), (135, 3634184), (138, 3555180), (180, 2725638), (184, 2666385), (207, 2370120), (216, 2271365), (230, 2133108), (270, 1817092), (276, 1777590), (345, 1422072), (360, 1362819), (414, 1185060), (460, 1066554), (540, 908546), (552, 888795), (621, 790040), (690, 711036), (828, 592530), (920, 533277), (1035, 474024), (1080, 454273), (1242, 395020), (1380, 355518), (1656, 296265), (2070, 237012), (2484, 197510), (2760, 177759), (3105, 158008), (4140, 118506), (4968, 98755), (6210, 79004), (8280, 59253), (12420, 39502), (19751, 24840)]