15405000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:121

約数の個数: 160

約数和(自身を含む): 52483200

約数和(自身を除く): 37078200

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, 79, 100, 104, 120, 125, 130, 150, 156, 158, 195, 200, 237, 250, 260, 300, 312, 316, 325, 375, 390, 395, 474, 500, 520, 600, 625, 632, 650, 750, 780, 790, 948, 975, 1000, 1027, 1185, 1250, 1300, 1500, 1560, 1580, 1625, 1875, 1896, 1950, 1975, 2054, 2370, 2500, 2600, 3000, 3081, 3160, 3250, 3750, 3900, 3950, 4108, 4740, 4875, 5000, 5135, 5925, 6162, 6500, 7500, 7800, 7900, 8125, 8216, 9480, 9750, 9875, 10270, 11850, 12324, 13000, 15000, 15405, 15800, 16250, 19500, 19750, 20540, 23700, 24375, 24648, 25675, 29625, 30810, 32500, 39000, 39500, 41080, 47400, 48750, 49375, 51350, 59250, 61620, 65000, 77025, 79000, 97500, 98750, 102700, 118500, 123240, 128375, 148125, 154050, 195000, 197500, 205400, 237000, 256750, 296250, 308100, 385125, 395000, 513500, 592500, 616200, 641875, 770250, 1027000, 1185000, 1283750, 1540500, 1925625, 2567500, 3081000, 3851250, 5135000, 7702500, 15405000]

約数ペア:

[(1, 15405000), (2, 7702500), (3, 5135000), (4, 3851250), (5, 3081000), (6, 2567500), (8, 1925625), (10, 1540500), (12, 1283750), (13, 1185000), (15, 1027000), (20, 770250), (24, 641875), (25, 616200), (26, 592500), (30, 513500), (39, 395000), (40, 385125), (50, 308100), (52, 296250), (60, 256750), (65, 237000), (75, 205400), (78, 197500), (79, 195000), (100, 154050), (104, 148125), (120, 128375), (125, 123240), (130, 118500), (150, 102700), (156, 98750), (158, 97500), (195, 79000), (200, 77025), (237, 65000), (250, 61620), (260, 59250), (300, 51350), (312, 49375), (316, 48750), (325, 47400), (375, 41080), (390, 39500), (395, 39000), (474, 32500), (500, 30810), (520, 29625), (600, 25675), (625, 24648), (632, 24375), (650, 23700), (750, 20540), (780, 19750), (790, 19500), (948, 16250), (975, 15800), (1000, 15405), (1027, 15000), (1185, 13000), (1250, 12324), (1300, 11850), (1500, 10270), (1560, 9875), (1580, 9750), (1625, 9480), (1875, 8216), (1896, 8125), (1950, 7900), (1975, 7800), (2054, 7500), (2370, 6500), (2500, 6162), (2600, 5925), (3000, 5135), (3081, 5000), (3160, 4875), (3250, 4740), (3750, 4108), (3900, 3950)]