155571000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{3989}}^1$

素因数の和:4026

約数の個数: 128

約数和(自身を含む): 522849600

約数和(自身を除く): 367278600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 125, 130, 150, 156, 195, 200, 250, 260, 300, 312, 325, 375, 390, 500, 520, 600, 650, 750, 780, 975, 1000, 1300, 1500, 1560, 1625, 1950, 2600, 3000, 3250, 3900, 3989, 4875, 6500, 7800, 7978, 9750, 11967, 13000, 15956, 19500, 19945, 23934, 31912, 39000, 39890, 47868, 51857, 59835, 79780, 95736, 99725, 103714, 119670, 155571, 159560, 199450, 207428, 239340, 259285, 299175, 311142, 398900, 414856, 478680, 498625, 518570, 598350, 622284, 777855, 797800, 997250, 1037140, 1196700, 1244568, 1296425, 1495875, 1555710, 1994500, 2074280, 2393400, 2592850, 2991750, 3111420, 3889275, 3989000, 5185700, 5983500, 6222840, 6482125, 7778550, 10371400, 11967000, 12964250, 15557100, 19446375, 25928500, 31114200, 38892750, 51857000, 77785500, 155571000]

約数ペア:

[(1, 155571000), (2, 77785500), (3, 51857000), (4, 38892750), (5, 31114200), (6, 25928500), (8, 19446375), (10, 15557100), (12, 12964250), (13, 11967000), (15, 10371400), (20, 7778550), (24, 6482125), (25, 6222840), (26, 5983500), (30, 5185700), (39, 3989000), (40, 3889275), (50, 3111420), (52, 2991750), (60, 2592850), (65, 2393400), (75, 2074280), (78, 1994500), (100, 1555710), (104, 1495875), (120, 1296425), (125, 1244568), (130, 1196700), (150, 1037140), (156, 997250), (195, 797800), (200, 777855), (250, 622284), (260, 598350), (300, 518570), (312, 498625), (325, 478680), (375, 414856), (390, 398900), (500, 311142), (520, 299175), (600, 259285), (650, 239340), (750, 207428), (780, 199450), (975, 159560), (1000, 155571), (1300, 119670), (1500, 103714), (1560, 99725), (1625, 95736), (1950, 79780), (2600, 59835), (3000, 51857), (3250, 47868), (3900, 39890), (3989, 39000), (4875, 31912), (6500, 23934), (7800, 19945), (7978, 19500), (9750, 15956), (11967, 13000)]