320131080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 192

約数和(自身を含む): 1111546800

約数和(自身を除く): 791415720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 181, 204, 255, 289, 306, 340, 360, 362, 408, 510, 543, 578, 612, 680, 724, 765, 867, 905, 1020, 1086, 1156, 1224, 1445, 1448, 1530, 1629, 1734, 1810, 2040, 2172, 2312, 2601, 2715, 2890, 3060, 3077, 3258, 3468, 3620, 4335, 4344, 4913, 5202, 5430, 5780, 6120, 6154, 6516, 6936, 7240, 8145, 8670, 9231, 9826, 10404, 10860, 11560, 12308, 13005, 13032, 14739, 15385, 16290, 17340, 18462, 19652, 20808, 21720, 24565, 24616, 26010, 27693, 29478, 30770, 32580, 34680, 36924, 39304, 44217, 46155, 49130, 52020, 52309, 55386, 58956, 61540, 65160, 73695, 73848, 88434, 92310, 98260, 104040, 104618, 110772, 117912, 123080, 138465, 147390, 156927, 176868, 184620, 196520, 209236, 221085, 221544, 261545, 276930, 294780, 313854, 353736, 369240, 418472, 442170, 470781, 523090, 553860, 589560, 627708, 784635, 884340, 889253, 941562, 1046180, 1107720, 1255416, 1569270, 1768680, 1778506, 1883124, 2092360, 2353905, 2667759, 3138540, 3557012, 3766248, 4446265, 4707810, 5335518, 6277080, 7114024, 8003277, 8892530, 9415620, 10671036, 13338795, 16006554, 17785060, 18831240, 21342072, 26677590, 32013108, 35570120, 40016385, 53355180, 64026216, 80032770, 106710360, 160065540, 320131080]

約数ペア:

[(1, 320131080), (2, 160065540), (3, 106710360), (4, 80032770), (5, 64026216), (6, 53355180), (8, 40016385), (9, 35570120), (10, 32013108), (12, 26677590), (15, 21342072), (17, 18831240), (18, 17785060), (20, 16006554), (24, 13338795), (30, 10671036), (34, 9415620), (36, 8892530), (40, 8003277), (45, 7114024), (51, 6277080), (60, 5335518), (68, 4707810), (72, 4446265), (85, 3766248), (90, 3557012), (102, 3138540), (120, 2667759), (136, 2353905), (153, 2092360), (170, 1883124), (180, 1778506), (181, 1768680), (204, 1569270), (255, 1255416), (289, 1107720), (306, 1046180), (340, 941562), (360, 889253), (362, 884340), (408, 784635), (510, 627708), (543, 589560), (578, 553860), (612, 523090), (680, 470781), (724, 442170), (765, 418472), (867, 369240), (905, 353736), (1020, 313854), (1086, 294780), (1156, 276930), (1224, 261545), (1445, 221544), (1448, 221085), (1530, 209236), (1629, 196520), (1734, 184620), (1810, 176868), (2040, 156927), (2172, 147390), (2312, 138465), (2601, 123080), (2715, 117912), (2890, 110772), (3060, 104618), (3077, 104040), (3258, 98260), (3468, 92310), (3620, 88434), (4335, 73848), (4344, 73695), (4913, 65160), (5202, 61540), (5430, 58956), (5780, 55386), (6120, 52309), (6154, 52020), (6516, 49130), (6936, 46155), (7240, 44217), (8145, 39304), (8670, 36924), (9231, 34680), (9826, 32580), (10404, 30770), (10860, 29478), (11560, 27693), (12308, 26010), (13005, 24616), (13032, 24565), (14739, 21720), (15385, 20808), (16290, 19652), (17340, 18462)]