15045340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 35587440

約数和(自身を除く): 20542100

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 137, 170, 190, 274, 289, 323, 340, 380, 548, 578, 646, 685, 1156, 1292, 1370, 1445, 1615, 2329, 2603, 2740, 2890, 3230, 4658, 5206, 5491, 5780, 6460, 9316, 10412, 10982, 11645, 13015, 21964, 23290, 26030, 27455, 39593, 44251, 46580, 52060, 54910, 79186, 88502, 109820, 158372, 177004, 197965, 221255, 395930, 442510, 752267, 791860, 885020, 1504534, 3009068, 3761335, 7522670, 15045340]

約数ペア:

[(1, 15045340), (2, 7522670), (4, 3761335), (5, 3009068), (10, 1504534), (17, 885020), (19, 791860), (20, 752267), (34, 442510), (38, 395930), (68, 221255), (76, 197965), (85, 177004), (95, 158372), (137, 109820), (170, 88502), (190, 79186), (274, 54910), (289, 52060), (323, 46580), (340, 44251), (380, 39593), (548, 27455), (578, 26030), (646, 23290), (685, 21964), (1156, 13015), (1292, 11645), (1370, 10982), (1445, 10412), (1615, 9316), (2329, 6460), (2603, 5780), (2740, 5491), (2890, 5206), (3230, 4658)]