1279264860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2689}}^1$

素因数の和:3588

約数の個数: 96

約数和(自身を含む): 3985934400

約数和(自身を除く): 2706669540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 881, 1762, 2643, 2689, 3524, 4405, 5286, 5378, 7929, 8067, 8810, 10572, 10756, 13215, 13445, 15858, 16134, 17620, 23787, 24201, 26430, 26890, 31716, 32268, 39645, 40335, 47574, 48402, 52860, 53780, 72603, 79290, 80670, 95148, 96804, 118935, 121005, 145206, 158580, 161340, 237870, 242010, 290412, 363015, 475740, 484020, 726030, 1452060, 2369009, 4738018, 7107027, 9476036, 11845045, 14214054, 21321081, 23690090, 28428108, 35535135, 42642162, 47380180, 63963243, 71070270, 85284324, 106605405, 127926486, 142140540, 213210810, 255852972, 319816215, 426421620, 639632430, 1279264860]

約数ペア:

[(1, 1279264860), (2, 639632430), (3, 426421620), (4, 319816215), (5, 255852972), (6, 213210810), (9, 142140540), (10, 127926486), (12, 106605405), (15, 85284324), (18, 71070270), (20, 63963243), (27, 47380180), (30, 42642162), (36, 35535135), (45, 28428108), (54, 23690090), (60, 21321081), (90, 14214054), (108, 11845045), (135, 9476036), (180, 7107027), (270, 4738018), (540, 2369009), (881, 1452060), (1762, 726030), (2643, 484020), (2689, 475740), (3524, 363015), (4405, 290412), (5286, 242010), (5378, 237870), (7929, 161340), (8067, 158580), (8810, 145206), (10572, 121005), (10756, 118935), (13215, 96804), (13445, 95148), (15858, 80670), (16134, 79290), (17620, 72603), (23787, 53780), (24201, 52860), (26430, 48402), (26890, 47574), (31716, 40335), (32268, 39645)]