19876800

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 168

約数和(自身を含む): 67464432

約数和(自身を除く): 47587632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 41, 48, 50, 60, 64, 75, 80, 82, 96, 100, 101, 120, 123, 150, 160, 164, 192, 200, 202, 205, 240, 246, 300, 303, 320, 328, 400, 404, 410, 480, 492, 505, 600, 606, 615, 656, 800, 808, 820, 960, 984, 1010, 1025, 1200, 1212, 1230, 1312, 1515, 1600, 1616, 1640, 1968, 2020, 2050, 2400, 2424, 2460, 2525, 2624, 3030, 3075, 3232, 3280, 3936, 4040, 4100, 4141, 4800, 4848, 4920, 5050, 6060, 6150, 6464, 6560, 7575, 7872, 8080, 8200, 8282, 9696, 9840, 10100, 12120, 12300, 12423, 13120, 15150, 16160, 16400, 16564, 19392, 19680, 20200, 20705, 24240, 24600, 24846, 30300, 32320, 32800, 33128, 39360, 40400, 41410, 48480, 49200, 49692, 60600, 62115, 65600, 66256, 80800, 82820, 96960, 98400, 99384, 103525, 121200, 124230, 132512, 161600, 165640, 196800, 198768, 207050, 242400, 248460, 265024, 310575, 331280, 397536, 414100, 484800, 496920, 621150, 662560, 795072, 828200, 993840, 1242300, 1325120, 1656400, 1987680, 2484600, 3312800, 3975360, 4969200, 6625600, 9938400, 19876800]

約数ペア:

[(1, 19876800), (2, 9938400), (3, 6625600), (4, 4969200), (5, 3975360), (6, 3312800), (8, 2484600), (10, 1987680), (12, 1656400), (15, 1325120), (16, 1242300), (20, 993840), (24, 828200), (25, 795072), (30, 662560), (32, 621150), (40, 496920), (41, 484800), (48, 414100), (50, 397536), (60, 331280), (64, 310575), (75, 265024), (80, 248460), (82, 242400), (96, 207050), (100, 198768), (101, 196800), (120, 165640), (123, 161600), (150, 132512), (160, 124230), (164, 121200), (192, 103525), (200, 99384), (202, 98400), (205, 96960), (240, 82820), (246, 80800), (300, 66256), (303, 65600), (320, 62115), (328, 60600), (400, 49692), (404, 49200), (410, 48480), (480, 41410), (492, 40400), (505, 39360), (600, 33128), (606, 32800), (615, 32320), (656, 30300), (800, 24846), (808, 24600), (820, 24240), (960, 20705), (984, 20200), (1010, 19680), (1025, 19392), (1200, 16564), (1212, 16400), (1230, 16160), (1312, 15150), (1515, 13120), (1600, 12423), (1616, 12300), (1640, 12120), (1968, 10100), (2020, 9840), (2050, 9696), (2400, 8282), (2424, 8200), (2460, 8080), (2525, 7872), (2624, 7575), (3030, 6560), (3075, 6464), (3232, 6150), (3280, 6060), (3936, 5050), (4040, 4920), (4100, 4848), (4141, 4800)]