242863140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:638

約数の個数: 144

約数和(自身を含む): 754826688

約数和(自身を除く): 511963548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 78, 86, 129, 130, 156, 169, 172, 195, 215, 258, 260, 338, 390, 430, 507, 516, 557, 559, 645, 676, 780, 845, 860, 1014, 1114, 1118, 1290, 1671, 1677, 1690, 2028, 2228, 2236, 2535, 2580, 2785, 2795, 3342, 3354, 3380, 5070, 5570, 5590, 6684, 6708, 7241, 7267, 8355, 8385, 10140, 11140, 11180, 14482, 14534, 16710, 16770, 21723, 21801, 23951, 28964, 29068, 33420, 33540, 36205, 36335, 43446, 43602, 47902, 71853, 72410, 72670, 86892, 87204, 94133, 95804, 108615, 109005, 119755, 143706, 144820, 145340, 188266, 217230, 218010, 239510, 282399, 287412, 311363, 359265, 376532, 434460, 436020, 470665, 479020, 564798, 622726, 718530, 934089, 941330, 1129596, 1245452, 1411995, 1437060, 1556815, 1868178, 1882660, 2823990, 3113630, 3736356, 4047719, 4670445, 5647980, 6227260, 8095438, 9340890, 12143157, 16190876, 18681780, 20238595, 24286314, 40477190, 48572628, 60715785, 80954380, 121431570, 242863140]

約数ペア:

[(1, 242863140), (2, 121431570), (3, 80954380), (4, 60715785), (5, 48572628), (6, 40477190), (10, 24286314), (12, 20238595), (13, 18681780), (15, 16190876), (20, 12143157), (26, 9340890), (30, 8095438), (39, 6227260), (43, 5647980), (52, 4670445), (60, 4047719), (65, 3736356), (78, 3113630), (86, 2823990), (129, 1882660), (130, 1868178), (156, 1556815), (169, 1437060), (172, 1411995), (195, 1245452), (215, 1129596), (258, 941330), (260, 934089), (338, 718530), (390, 622726), (430, 564798), (507, 479020), (516, 470665), (557, 436020), (559, 434460), (645, 376532), (676, 359265), (780, 311363), (845, 287412), (860, 282399), (1014, 239510), (1114, 218010), (1118, 217230), (1290, 188266), (1671, 145340), (1677, 144820), (1690, 143706), (2028, 119755), (2228, 109005), (2236, 108615), (2535, 95804), (2580, 94133), (2785, 87204), (2795, 86892), (3342, 72670), (3354, 72410), (3380, 71853), (5070, 47902), (5570, 43602), (5590, 43446), (6684, 36335), (6708, 36205), (7241, 33540), (7267, 33420), (8355, 29068), (8385, 28964), (10140, 23951), (11140, 21801), (11180, 21723), (14482, 16770), (14534, 16710)]