720314240

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:440

約数の個数: 128

約数和(自身を含む): 1788484320

約数和(自身を除く): 1068170080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 97, 128, 160, 164, 194, 205, 283, 320, 328, 388, 410, 485, 566, 640, 656, 776, 820, 970, 1132, 1312, 1415, 1552, 1640, 1940, 2264, 2624, 2830, 3104, 3280, 3880, 3977, 4528, 5248, 5660, 6208, 6560, 7760, 7954, 9056, 11320, 11603, 12416, 13120, 15520, 15908, 18112, 19885, 22640, 23206, 26240, 27451, 31040, 31816, 36224, 39770, 45280, 46412, 54902, 58015, 62080, 63632, 79540, 90560, 92824, 109804, 116030, 127264, 137255, 159080, 181120, 185648, 219608, 232060, 254528, 274510, 318160, 371296, 439216, 464120, 509056, 549020, 636320, 742592, 878432, 928240, 1098040, 1125491, 1272640, 1485184, 1756864, 1856480, 2196080, 2250982, 2545280, 3513728, 3712960, 4392160, 4501964, 5627455, 7425920, 8784320, 9003928, 11254910, 17568640, 18007856, 22509820, 36015712, 45019640, 72031424, 90039280, 144062848, 180078560, 360157120, 720314240]

約数ペア:

[(1, 720314240), (2, 360157120), (4, 180078560), (5, 144062848), (8, 90039280), (10, 72031424), (16, 45019640), (20, 36015712), (32, 22509820), (40, 18007856), (41, 17568640), (64, 11254910), (80, 9003928), (82, 8784320), (97, 7425920), (128, 5627455), (160, 4501964), (164, 4392160), (194, 3712960), (205, 3513728), (283, 2545280), (320, 2250982), (328, 2196080), (388, 1856480), (410, 1756864), (485, 1485184), (566, 1272640), (640, 1125491), (656, 1098040), (776, 928240), (820, 878432), (970, 742592), (1132, 636320), (1312, 549020), (1415, 509056), (1552, 464120), (1640, 439216), (1940, 371296), (2264, 318160), (2624, 274510), (2830, 254528), (3104, 232060), (3280, 219608), (3880, 185648), (3977, 181120), (4528, 159080), (5248, 137255), (5660, 127264), (6208, 116030), (6560, 109804), (7760, 92824), (7954, 90560), (9056, 79540), (11320, 63632), (11603, 62080), (12416, 58015), (13120, 54902), (15520, 46412), (15908, 45280), (18112, 39770), (19885, 36224), (22640, 31816), (23206, 31040), (26240, 27451)]