1538961720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{20389}}^1$

素因数の和:20457

約数の個数: 128

約数和(自身を含む): 5020833600

約数和(自身を除く): 3481871880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 37, 40, 51, 60, 68, 74, 85, 102, 111, 120, 136, 148, 170, 185, 204, 222, 255, 296, 340, 370, 408, 444, 510, 555, 629, 680, 740, 888, 1020, 1110, 1258, 1480, 1887, 2040, 2220, 2516, 3145, 3774, 4440, 5032, 6290, 7548, 9435, 12580, 15096, 18870, 20389, 25160, 37740, 40778, 61167, 75480, 81556, 101945, 122334, 163112, 203890, 244668, 305835, 346613, 407780, 489336, 611670, 693226, 754393, 815560, 1039839, 1223340, 1386452, 1508786, 1733065, 2079678, 2263179, 2446680, 2772904, 3017572, 3466130, 3771965, 4159356, 4526358, 5199195, 6035144, 6932260, 7543930, 8318712, 9052716, 10398390, 11315895, 12824681, 13864520, 15087860, 18105432, 20796780, 22631790, 25649362, 30175720, 38474043, 41593560, 45263580, 51298724, 64123405, 76948086, 90527160, 102597448, 128246810, 153896172, 192370215, 256493620, 307792344, 384740430, 512987240, 769480860, 1538961720]

約数ペア:

[(1, 1538961720), (2, 769480860), (3, 512987240), (4, 384740430), (5, 307792344), (6, 256493620), (8, 192370215), (10, 153896172), (12, 128246810), (15, 102597448), (17, 90527160), (20, 76948086), (24, 64123405), (30, 51298724), (34, 45263580), (37, 41593560), (40, 38474043), (51, 30175720), (60, 25649362), (68, 22631790), (74, 20796780), (85, 18105432), (102, 15087860), (111, 13864520), (120, 12824681), (136, 11315895), (148, 10398390), (170, 9052716), (185, 8318712), (204, 7543930), (222, 6932260), (255, 6035144), (296, 5199195), (340, 4526358), (370, 4159356), (408, 3771965), (444, 3466130), (510, 3017572), (555, 2772904), (629, 2446680), (680, 2263179), (740, 2079678), (888, 1733065), (1020, 1508786), (1110, 1386452), (1258, 1223340), (1480, 1039839), (1887, 815560), (2040, 754393), (2220, 693226), (2516, 611670), (3145, 489336), (3774, 407780), (4440, 346613), (5032, 305835), (6290, 244668), (7548, 203890), (9435, 163112), (12580, 122334), (15096, 101945), (18870, 81556), (20389, 75480), (25160, 61167), (37740, 40778)]