128345100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{32909}}^1$

素因数の和:32939

約数の個数: 72

約数和(自身を含む): 399922320

約数和(自身を除く): 271577220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 32909, 65818, 98727, 131636, 164545, 197454, 329090, 394908, 427817, 493635, 658180, 822725, 855634, 987270, 1283451, 1645450, 1711268, 1974540, 2139085, 2468175, 2566902, 3290900, 4278170, 4936350, 5133804, 6417255, 8556340, 9872700, 10695425, 12834510, 21390850, 25669020, 32086275, 42781700, 64172550, 128345100]

約数ペア:

[(1, 128345100), (2, 64172550), (3, 42781700), (4, 32086275), (5, 25669020), (6, 21390850), (10, 12834510), (12, 10695425), (13, 9872700), (15, 8556340), (20, 6417255), (25, 5133804), (26, 4936350), (30, 4278170), (39, 3290900), (50, 2566902), (52, 2468175), (60, 2139085), (65, 1974540), (75, 1711268), (78, 1645450), (100, 1283451), (130, 987270), (150, 855634), (156, 822725), (195, 658180), (260, 493635), (300, 427817), (325, 394908), (390, 329090), (650, 197454), (780, 164545), (975, 131636), (1300, 98727), (1950, 65818), (3900, 32909)]