28779000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:258

約数の個数: 128

約数和(自身を含む): 91990080

約数和(自身を除く): 63211080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 53, 60, 75, 100, 106, 120, 125, 150, 159, 181, 200, 212, 250, 265, 300, 318, 362, 375, 424, 500, 530, 543, 600, 636, 724, 750, 795, 905, 1000, 1060, 1086, 1272, 1325, 1448, 1500, 1590, 1810, 2120, 2172, 2650, 2715, 3000, 3180, 3620, 3975, 4344, 4525, 5300, 5430, 6360, 6625, 7240, 7950, 9050, 9593, 10600, 10860, 13250, 13575, 15900, 18100, 19186, 19875, 21720, 22625, 26500, 27150, 28779, 31800, 36200, 38372, 39750, 45250, 47965, 53000, 54300, 57558, 67875, 76744, 79500, 90500, 95930, 108600, 115116, 135750, 143895, 159000, 181000, 191860, 230232, 239825, 271500, 287790, 383720, 479650, 543000, 575580, 719475, 959300, 1151160, 1199125, 1438950, 1918600, 2398250, 2877900, 3597375, 4796500, 5755800, 7194750, 9593000, 14389500, 28779000]

約数ペア:

[(1, 28779000), (2, 14389500), (3, 9593000), (4, 7194750), (5, 5755800), (6, 4796500), (8, 3597375), (10, 2877900), (12, 2398250), (15, 1918600), (20, 1438950), (24, 1199125), (25, 1151160), (30, 959300), (40, 719475), (50, 575580), (53, 543000), (60, 479650), (75, 383720), (100, 287790), (106, 271500), (120, 239825), (125, 230232), (150, 191860), (159, 181000), (181, 159000), (200, 143895), (212, 135750), (250, 115116), (265, 108600), (300, 95930), (318, 90500), (362, 79500), (375, 76744), (424, 67875), (500, 57558), (530, 54300), (543, 53000), (600, 47965), (636, 45250), (724, 39750), (750, 38372), (795, 36200), (905, 31800), (1000, 28779), (1060, 27150), (1086, 26500), (1272, 22625), (1325, 21720), (1448, 19875), (1500, 19186), (1590, 18100), (1810, 15900), (2120, 13575), (2172, 13250), (2650, 10860), (2715, 10600), (3000, 9593), (3180, 9050), (3620, 7950), (3975, 7240), (4344, 6625), (4525, 6360), (5300, 5430)]