1640388900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{269}}^1\times {\mathrm{20327}}^1$

素因数の和:20613

約数の個数: 72

約数和(自身を含む): 4764070080

約数和(自身を除く): 3123681180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 269, 300, 538, 807, 1076, 1345, 1614, 2690, 3228, 4035, 5380, 6725, 8070, 13450, 16140, 20175, 20327, 26900, 40350, 40654, 60981, 80700, 81308, 101635, 121962, 203270, 243924, 304905, 406540, 508175, 609810, 1016350, 1219620, 1524525, 2032700, 3049050, 5467963, 6098100, 10935926, 16403889, 21871852, 27339815, 32807778, 54679630, 65615556, 82019445, 109359260, 136699075, 164038890, 273398150, 328077780, 410097225, 546796300, 820194450, 1640388900]

約数ペア:

[(1, 1640388900), (2, 820194450), (3, 546796300), (4, 410097225), (5, 328077780), (6, 273398150), (10, 164038890), (12, 136699075), (15, 109359260), (20, 82019445), (25, 65615556), (30, 54679630), (50, 32807778), (60, 27339815), (75, 21871852), (100, 16403889), (150, 10935926), (269, 6098100), (300, 5467963), (538, 3049050), (807, 2032700), (1076, 1524525), (1345, 1219620), (1614, 1016350), (2690, 609810), (3228, 508175), (4035, 406540), (5380, 304905), (6725, 243924), (8070, 203270), (13450, 121962), (16140, 101635), (20175, 81308), (20327, 80700), (26900, 60981), (40350, 40654)]