678983480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:429

約数の個数: 128

約数和(自身を含む): 1785991680

約数和(自身を除く): 1107008200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 131, 140, 173, 214, 262, 280, 346, 428, 524, 535, 655, 692, 749, 856, 865, 917, 1048, 1070, 1211, 1310, 1384, 1498, 1730, 1834, 2140, 2422, 2620, 2996, 3460, 3668, 3745, 4280, 4585, 4844, 5240, 5992, 6055, 6920, 7336, 7490, 9170, 9688, 12110, 14017, 14980, 18340, 18511, 22663, 24220, 28034, 29960, 36680, 37022, 45326, 48440, 56068, 70085, 74044, 90652, 92555, 98119, 112136, 113315, 129577, 140170, 148088, 158641, 181304, 185110, 196238, 226630, 259154, 280340, 317282, 370220, 392476, 453260, 490595, 518308, 560680, 634564, 647885, 740440, 784952, 793205, 906520, 981190, 1036616, 1269128, 1295770, 1586410, 1962380, 2424941, 2591540, 3172820, 3924760, 4849882, 5183080, 6345640, 9699764, 12124705, 16974587, 19399528, 24249410, 33949174, 48498820, 67898348, 84872935, 96997640, 135796696, 169745870, 339491740, 678983480]

約数ペア:

[(1, 678983480), (2, 339491740), (4, 169745870), (5, 135796696), (7, 96997640), (8, 84872935), (10, 67898348), (14, 48498820), (20, 33949174), (28, 24249410), (35, 19399528), (40, 16974587), (56, 12124705), (70, 9699764), (107, 6345640), (131, 5183080), (140, 4849882), (173, 3924760), (214, 3172820), (262, 2591540), (280, 2424941), (346, 1962380), (428, 1586410), (524, 1295770), (535, 1269128), (655, 1036616), (692, 981190), (749, 906520), (856, 793205), (865, 784952), (917, 740440), (1048, 647885), (1070, 634564), (1211, 560680), (1310, 518308), (1384, 490595), (1498, 453260), (1730, 392476), (1834, 370220), (2140, 317282), (2422, 280340), (2620, 259154), (2996, 226630), (3460, 196238), (3668, 185110), (3745, 181304), (4280, 158641), (4585, 148088), (4844, 140170), (5240, 129577), (5992, 113315), (6055, 112136), (6920, 98119), (7336, 92555), (7490, 90652), (9170, 74044), (9688, 70085), (12110, 56068), (14017, 48440), (14980, 45326), (18340, 37022), (18511, 36680), (22663, 29960), (24220, 28034)]