80378740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 195592320

約数和(自身を除く): 115213580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 53, 65, 76, 95, 106, 130, 190, 212, 247, 260, 265, 307, 380, 494, 530, 614, 689, 988, 1007, 1060, 1228, 1235, 1378, 1535, 2014, 2470, 2756, 3070, 3445, 3991, 4028, 4940, 5035, 5833, 6140, 6890, 7982, 10070, 11666, 13091, 13780, 15964, 16271, 19955, 20140, 23332, 26182, 29165, 32542, 39910, 52364, 58330, 65084, 65455, 75829, 79820, 81355, 116660, 130910, 151658, 162710, 211523, 261820, 303316, 309149, 325420, 379145, 423046, 618298, 758290, 846092, 1057615, 1236596, 1516580, 1545745, 2115230, 3091490, 4018937, 4230460, 6182980, 8037874, 16075748, 20094685, 40189370, 80378740]

約数ペア:

[(1, 80378740), (2, 40189370), (4, 20094685), (5, 16075748), (10, 8037874), (13, 6182980), (19, 4230460), (20, 4018937), (26, 3091490), (38, 2115230), (52, 1545745), (53, 1516580), (65, 1236596), (76, 1057615), (95, 846092), (106, 758290), (130, 618298), (190, 423046), (212, 379145), (247, 325420), (260, 309149), (265, 303316), (307, 261820), (380, 211523), (494, 162710), (530, 151658), (614, 130910), (689, 116660), (988, 81355), (1007, 79820), (1060, 75829), (1228, 65455), (1235, 65084), (1378, 58330), (1535, 52364), (2014, 39910), (2470, 32542), (2756, 29165), (3070, 26182), (3445, 23332), (3991, 20140), (4028, 19955), (4940, 16271), (5035, 15964), (5833, 13780), (6140, 13091), (6890, 11666), (7982, 10070)]