15995980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:104

約数の個数: 192

約数和(自身を含む): 48771072

約数和(自身を除く): 32775092

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 17, 20, 22, 26, 28, 34, 35, 44, 47, 52, 55, 65, 68, 70, 77, 85, 91, 94, 110, 119, 130, 140, 143, 154, 170, 182, 187, 188, 220, 221, 235, 238, 260, 286, 308, 329, 340, 364, 374, 385, 442, 455, 470, 476, 517, 572, 595, 611, 658, 715, 748, 770, 799, 884, 910, 935, 940, 1001, 1034, 1105, 1190, 1222, 1309, 1316, 1430, 1540, 1547, 1598, 1645, 1820, 1870, 2002, 2068, 2210, 2380, 2431, 2444, 2585, 2618, 2860, 3055, 3094, 3196, 3290, 3619, 3740, 3995, 4004, 4277, 4420, 4862, 5005, 5170, 5236, 5593, 6110, 6188, 6545, 6580, 6721, 7238, 7735, 7990, 8554, 8789, 9724, 10010, 10340, 10387, 11186, 12155, 12220, 13090, 13442, 14476, 15470, 15980, 17017, 17108, 17578, 18095, 20020, 20774, 21385, 22372, 24310, 26180, 26884, 27965, 30940, 33605, 34034, 35156, 36190, 41548, 42770, 43945, 47047, 48620, 51935, 55930, 61523, 67210, 68068, 72380, 72709, 85085, 85540, 87890, 94094, 103870, 111860, 114257, 123046, 134420, 145418, 170170, 175780, 188188, 207740, 228514, 235235, 246092, 290836, 307615, 340340, 363545, 457028, 470470, 571285, 615230, 727090, 799799, 940940, 1142570, 1230460, 1454180, 1599598, 2285140, 3199196, 3998995, 7997990, 15995980]

約数ペア:

[(1, 15995980), (2, 7997990), (4, 3998995), (5, 3199196), (7, 2285140), (10, 1599598), (11, 1454180), (13, 1230460), (14, 1142570), (17, 940940), (20, 799799), (22, 727090), (26, 615230), (28, 571285), (34, 470470), (35, 457028), (44, 363545), (47, 340340), (52, 307615), (55, 290836), (65, 246092), (68, 235235), (70, 228514), (77, 207740), (85, 188188), (91, 175780), (94, 170170), (110, 145418), (119, 134420), (130, 123046), (140, 114257), (143, 111860), (154, 103870), (170, 94094), (182, 87890), (187, 85540), (188, 85085), (220, 72709), (221, 72380), (235, 68068), (238, 67210), (260, 61523), (286, 55930), (308, 51935), (329, 48620), (340, 47047), (364, 43945), (374, 42770), (385, 41548), (442, 36190), (455, 35156), (470, 34034), (476, 33605), (517, 30940), (572, 27965), (595, 26884), (611, 26180), (658, 24310), (715, 22372), (748, 21385), (770, 20774), (799, 20020), (884, 18095), (910, 17578), (935, 17108), (940, 17017), (1001, 15980), (1034, 15470), (1105, 14476), (1190, 13442), (1222, 13090), (1309, 12220), (1316, 12155), (1430, 11186), (1540, 10387), (1547, 10340), (1598, 10010), (1645, 9724), (1820, 8789), (1870, 8554), (2002, 7990), (2068, 7735), (2210, 7238), (2380, 6721), (2431, 6580), (2444, 6545), (2585, 6188), (2618, 6110), (2860, 5593), (3055, 5236), (3094, 5170), (3196, 5005), (3290, 4862), (3619, 4420), (3740, 4277), (3995, 4004)]