321920820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137573}}^1$

素因数の和:137601

約数の個数: 72

約数和(自身を含む): 1051615656

約数和(自身を除く): 729694836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 137573, 275146, 412719, 550292, 687865, 825438, 1238157, 1375730, 1650876, 1788449, 2063595, 2476314, 2751460, 3576898, 4127190, 4952628, 5365347, 6190785, 7153796, 8254380, 8942245, 10730694, 12381570, 16096041, 17884490, 21461388, 24763140, 26826735, 32192082, 35768980, 53653470, 64384164, 80480205, 107306940, 160960410, 321920820]

約数ペア:

[(1, 321920820), (2, 160960410), (3, 107306940), (4, 80480205), (5, 64384164), (6, 53653470), (9, 35768980), (10, 32192082), (12, 26826735), (13, 24763140), (15, 21461388), (18, 17884490), (20, 16096041), (26, 12381570), (30, 10730694), (36, 8942245), (39, 8254380), (45, 7153796), (52, 6190785), (60, 5365347), (65, 4952628), (78, 4127190), (90, 3576898), (117, 2751460), (130, 2476314), (156, 2063595), (180, 1788449), (195, 1650876), (234, 1375730), (260, 1238157), (390, 825438), (468, 687865), (585, 550292), (780, 412719), (1170, 275146), (2340, 137573)]