18831240

素因数分解:

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

素因数の和:232

約数の個数: 144

約数和(自身を含む): 65372580

約数和(自身を除く): 46541340

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, 5202, 5430, 5780, 6120, 6154, 6516, 6936, 7240, 8145, 8670, 9231, 10404, 10860, 11560, 12308, 13005, 13032, 15385, 16290, 17340, 18462, 20808, 21720, 24616, 26010, 27693, 30770, 32580, 34680, 36924, 46155, 52020, 52309, 55386, 61540, 65160, 73848, 92310, 104040, 104618, 110772, 123080, 138465, 156927, 184620, 209236, 221544, 261545, 276930, 313854, 369240, 418472, 470781, 523090, 553860, 627708, 784635, 941562, 1046180, 1107720, 1255416, 1569270, 1883124, 2092360, 2353905, 3138540, 3766248, 4707810, 6277080, 9415620, 18831240]

約数ペア:

[(1, 18831240), (2, 9415620), (3, 6277080), (4, 4707810), (5, 3766248), (6, 3138540), (8, 2353905), (9, 2092360), (10, 1883124), (12, 1569270), (15, 1255416), (17, 1107720), (18, 1046180), (20, 941562), (24, 784635), (30, 627708), (34, 553860), (36, 523090), (40, 470781), (45, 418472), (51, 369240), (60, 313854), (68, 276930), (72, 261545), (85, 221544), (90, 209236), (102, 184620), (120, 156927), (136, 138465), (153, 123080), (170, 110772), (180, 104618), (181, 104040), (204, 92310), (255, 73848), (289, 65160), (306, 61540), (340, 55386), (360, 52309), (362, 52020), (408, 46155), (510, 36924), (543, 34680), (578, 32580), (612, 30770), (680, 27693), (724, 26010), (765, 24616), (867, 21720), (905, 20808), (1020, 18462), (1086, 17340), (1156, 16290), (1224, 15385), (1445, 13032), (1448, 13005), (1530, 12308), (1629, 11560), (1734, 10860), (1810, 10404), (2040, 9231), (2172, 8670), (2312, 8145), (2601, 7240), (2715, 6936), (2890, 6516), (3060, 6154), (3077, 6120), (3258, 5780), (3468, 5430), (3620, 5202), (4335, 4344)]