205020360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18371}}^1$

素因数の和:18419

約数の個数: 96

約数和(自身を含む): 687847680

約数和(自身を除く): 482827320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 11160, 18371, 36742, 55113, 73484, 91855, 110226, 146968, 165339, 183710, 220452, 275565, 330678, 367420, 440904, 551130, 569501, 661356, 734840, 826695, 1102260, 1139002, 1322712, 1653390, 1708503, 2204520, 2278004, 2847505, 3306780, 3417006, 4556008, 5125509, 5695010, 6613560, 6834012, 8542515, 10251018, 11390020, 13668024, 17085030, 20502036, 22780040, 25627545, 34170060, 41004072, 51255090, 68340120, 102510180, 205020360]

約数ペア:

[(1, 205020360), (2, 102510180), (3, 68340120), (4, 51255090), (5, 41004072), (6, 34170060), (8, 25627545), (9, 22780040), (10, 20502036), (12, 17085030), (15, 13668024), (18, 11390020), (20, 10251018), (24, 8542515), (30, 6834012), (31, 6613560), (36, 5695010), (40, 5125509), (45, 4556008), (60, 3417006), (62, 3306780), (72, 2847505), (90, 2278004), (93, 2204520), (120, 1708503), (124, 1653390), (155, 1322712), (180, 1139002), (186, 1102260), (248, 826695), (279, 734840), (310, 661356), (360, 569501), (372, 551130), (465, 440904), (558, 367420), (620, 330678), (744, 275565), (930, 220452), (1116, 183710), (1240, 165339), (1395, 146968), (1860, 110226), (2232, 91855), (2790, 73484), (3720, 55113), (5580, 36742), (11160, 18371)]