81801000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:237

約数の個数: 192

約数和(自身を含む): 282906000

約数和(自身を除く): 201105000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 61, 72, 75, 90, 100, 120, 122, 125, 149, 150, 180, 183, 200, 225, 244, 250, 298, 300, 305, 360, 366, 375, 447, 450, 488, 500, 549, 596, 600, 610, 732, 745, 750, 894, 900, 915, 1000, 1098, 1125, 1192, 1220, 1341, 1464, 1490, 1500, 1525, 1788, 1800, 1830, 2196, 2235, 2250, 2440, 2682, 2745, 2980, 3000, 3050, 3576, 3660, 3725, 4392, 4470, 4500, 4575, 5364, 5490, 5960, 6100, 6705, 7320, 7450, 7625, 8940, 9000, 9089, 9150, 10728, 10980, 11175, 12200, 13410, 13725, 14900, 15250, 17880, 18178, 18300, 18625, 21960, 22350, 22875, 26820, 27267, 27450, 29800, 30500, 33525, 36356, 36600, 37250, 44700, 45445, 45750, 53640, 54534, 54900, 55875, 61000, 67050, 68625, 72712, 74500, 81801, 89400, 90890, 91500, 109068, 109800, 111750, 134100, 136335, 137250, 149000, 163602, 167625, 181780, 183000, 218136, 223500, 227225, 268200, 272670, 274500, 327204, 335250, 363560, 409005, 447000, 454450, 545340, 549000, 654408, 670500, 681675, 818010, 908900, 1090680, 1136125, 1341000, 1363350, 1636020, 1817800, 2045025, 2272250, 2726700, 3272040, 3408375, 4090050, 4544500, 5453400, 6816750, 8180100, 9089000, 10225125, 13633500, 16360200, 20450250, 27267000, 40900500, 81801000]

約数ペア:

[(1, 81801000), (2, 40900500), (3, 27267000), (4, 20450250), (5, 16360200), (6, 13633500), (8, 10225125), (9, 9089000), (10, 8180100), (12, 6816750), (15, 5453400), (18, 4544500), (20, 4090050), (24, 3408375), (25, 3272040), (30, 2726700), (36, 2272250), (40, 2045025), (45, 1817800), (50, 1636020), (60, 1363350), (61, 1341000), (72, 1136125), (75, 1090680), (90, 908900), (100, 818010), (120, 681675), (122, 670500), (125, 654408), (149, 549000), (150, 545340), (180, 454450), (183, 447000), (200, 409005), (225, 363560), (244, 335250), (250, 327204), (298, 274500), (300, 272670), (305, 268200), (360, 227225), (366, 223500), (375, 218136), (447, 183000), (450, 181780), (488, 167625), (500, 163602), (549, 149000), (596, 137250), (600, 136335), (610, 134100), (732, 111750), (745, 109800), (750, 109068), (894, 91500), (900, 90890), (915, 89400), (1000, 81801), (1098, 74500), (1125, 72712), (1192, 68625), (1220, 67050), (1341, 61000), (1464, 55875), (1490, 54900), (1500, 54534), (1525, 53640), (1788, 45750), (1800, 45445), (1830, 44700), (2196, 37250), (2235, 36600), (2250, 36356), (2440, 33525), (2682, 30500), (2745, 29800), (2980, 27450), (3000, 27267), (3050, 26820), (3576, 22875), (3660, 22350), (3725, 21960), (4392, 18625), (4470, 18300), (4500, 18178), (4575, 17880), (5364, 15250), (5490, 14900), (5960, 13725), (6100, 13410), (6705, 12200), (7320, 11175), (7450, 10980), (7625, 10728), (8940, 9150), (9000, 9089)]