30807738

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 74820564

約数和(自身を除く): 44012826

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 137, 186, 234, 274, 279, 403, 411, 558, 806, 822, 961, 1209, 1233, 1781, 1922, 2418, 2466, 2883, 3562, 3627, 4247, 5343, 5766, 7254, 8494, 8649, 10686, 12493, 12741, 16029, 17298, 24986, 25482, 32058, 37479, 38223, 55211, 74958, 76446, 110422, 112437, 131657, 165633, 224874, 263314, 331266, 394971, 496899, 789942, 993798, 1184913, 1711541, 2369826, 3423082, 5134623, 10269246, 15403869, 30807738]

約数ペア:

[(1, 30807738), (2, 15403869), (3, 10269246), (6, 5134623), (9, 3423082), (13, 2369826), (18, 1711541), (26, 1184913), (31, 993798), (39, 789942), (62, 496899), (78, 394971), (93, 331266), (117, 263314), (137, 224874), (186, 165633), (234, 131657), (274, 112437), (279, 110422), (403, 76446), (411, 74958), (558, 55211), (806, 38223), (822, 37479), (961, 32058), (1209, 25482), (1233, 24986), (1781, 17298), (1922, 16029), (2418, 12741), (2466, 12493), (2883, 10686), (3562, 8649), (3627, 8494), (4247, 7254), (5343, 5766)]