722708220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{263}}^1\times {\mathrm{271}}^1$

素因数の和:572

約数の個数: 144

約数和(自身を含む): 2207665152

約数和(自身を除く): 1484956932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 263, 271, 338, 390, 507, 526, 542, 676, 780, 789, 813, 845, 1014, 1052, 1084, 1315, 1355, 1578, 1626, 1690, 2028, 2535, 2630, 2710, 3156, 3252, 3380, 3419, 3523, 3945, 4065, 5070, 5260, 5420, 6838, 7046, 7890, 8130, 10140, 10257, 10569, 13676, 14092, 15780, 16260, 17095, 17615, 20514, 21138, 34190, 35230, 41028, 42276, 44447, 45799, 51285, 52845, 68380, 70460, 71273, 88894, 91598, 102570, 105690, 133341, 137397, 142546, 177788, 183196, 205140, 211380, 213819, 222235, 228995, 266682, 274794, 285092, 356365, 427638, 444470, 457990, 533364, 549588, 666705, 686985, 712730, 855276, 888940, 915980, 926549, 1069095, 1333410, 1373970, 1425460, 1853098, 2138190, 2666820, 2747940, 2779647, 3706196, 4276380, 4632745, 5559294, 9265490, 11118588, 12045137, 13898235, 18530980, 24090274, 27796470, 36135411, 48180548, 55592940, 60225685, 72270822, 120451370, 144541644, 180677055, 240902740, 361354110, 722708220]

約数ペア:

[(1, 722708220), (2, 361354110), (3, 240902740), (4, 180677055), (5, 144541644), (6, 120451370), (10, 72270822), (12, 60225685), (13, 55592940), (15, 48180548), (20, 36135411), (26, 27796470), (30, 24090274), (39, 18530980), (52, 13898235), (60, 12045137), (65, 11118588), (78, 9265490), (130, 5559294), (156, 4632745), (169, 4276380), (195, 3706196), (260, 2779647), (263, 2747940), (271, 2666820), (338, 2138190), (390, 1853098), (507, 1425460), (526, 1373970), (542, 1333410), (676, 1069095), (780, 926549), (789, 915980), (813, 888940), (845, 855276), (1014, 712730), (1052, 686985), (1084, 666705), (1315, 549588), (1355, 533364), (1578, 457990), (1626, 444470), (1690, 427638), (2028, 356365), (2535, 285092), (2630, 274794), (2710, 266682), (3156, 228995), (3252, 222235), (3380, 213819), (3419, 211380), (3523, 205140), (3945, 183196), (4065, 177788), (5070, 142546), (5260, 137397), (5420, 133341), (6838, 105690), (7046, 102570), (7890, 91598), (8130, 88894), (10140, 71273), (10257, 70460), (10569, 68380), (13676, 52845), (14092, 51285), (15780, 45799), (16260, 44447), (17095, 42276), (17615, 41028), (20514, 35230), (21138, 34190)]