42742740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:741

約数の個数: 96

約数和(自身を含む): 127733760

約数和(自身を除く): 84991020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 47, 60, 69, 92, 94, 115, 138, 141, 188, 230, 235, 276, 282, 345, 460, 470, 564, 659, 690, 705, 940, 1081, 1318, 1380, 1410, 1977, 2162, 2636, 2820, 3243, 3295, 3954, 4324, 5405, 6486, 6590, 7908, 9885, 10810, 12972, 13180, 15157, 16215, 19770, 21620, 30314, 30973, 32430, 39540, 45471, 60628, 61946, 64860, 75785, 90942, 92919, 123892, 151570, 154865, 181884, 185838, 227355, 303140, 309730, 371676, 454710, 464595, 619460, 712379, 909420, 929190, 1424758, 1858380, 2137137, 2849516, 3561895, 4274274, 7123790, 8548548, 10685685, 14247580, 21371370, 42742740]

約数ペア:

[(1, 42742740), (2, 21371370), (3, 14247580), (4, 10685685), (5, 8548548), (6, 7123790), (10, 4274274), (12, 3561895), (15, 2849516), (20, 2137137), (23, 1858380), (30, 1424758), (46, 929190), (47, 909420), (60, 712379), (69, 619460), (92, 464595), (94, 454710), (115, 371676), (138, 309730), (141, 303140), (188, 227355), (230, 185838), (235, 181884), (276, 154865), (282, 151570), (345, 123892), (460, 92919), (470, 90942), (564, 75785), (659, 64860), (690, 61946), (705, 60628), (940, 45471), (1081, 39540), (1318, 32430), (1380, 30973), (1410, 30314), (1977, 21620), (2162, 19770), (2636, 16215), (2820, 15157), (3243, 13180), (3295, 12972), (3954, 10810), (4324, 9885), (5405, 7908), (6486, 6590)]