71495760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42557}}^1$

素因数の和:42580

約数の個数: 80

約数和(自身を含む): 253305216

約数和(自身を除く): 181809456

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 42557, 85114, 127671, 170228, 212785, 255342, 297899, 340456, 425570, 510684, 595798, 638355, 680912, 851140, 893697, 1021368, 1191596, 1276710, 1489495, 1702280, 1787394, 2042736, 2383192, 2553420, 2978990, 3404560, 3574788, 4468485, 4766384, 5106840, 5957980, 7149576, 8936970, 10213680, 11915960, 14299152, 17873940, 23831920, 35747880, 71495760]

約数ペア:

[(1, 71495760), (2, 35747880), (3, 23831920), (4, 17873940), (5, 14299152), (6, 11915960), (7, 10213680), (8, 8936970), (10, 7149576), (12, 5957980), (14, 5106840), (15, 4766384), (16, 4468485), (20, 3574788), (21, 3404560), (24, 2978990), (28, 2553420), (30, 2383192), (35, 2042736), (40, 1787394), (42, 1702280), (48, 1489495), (56, 1276710), (60, 1191596), (70, 1021368), (80, 893697), (84, 851140), (105, 680912), (112, 638355), (120, 595798), (140, 510684), (168, 425570), (210, 340456), (240, 297899), (280, 255342), (336, 212785), (420, 170228), (560, 127671), (840, 85114), (1680, 42557)]