7898040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:194

約数の個数: 128

約数和(自身を含む): 26956800

約数和(自身を除く): 19058760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 103, 108, 120, 135, 142, 180, 206, 213, 216, 270, 284, 309, 355, 360, 412, 426, 515, 540, 568, 618, 639, 710, 824, 852, 927, 1030, 1065, 1080, 1236, 1278, 1420, 1545, 1704, 1854, 1917, 2060, 2130, 2472, 2556, 2781, 2840, 3090, 3195, 3708, 3834, 4120, 4260, 4635, 5112, 5562, 6180, 6390, 7313, 7416, 7668, 8520, 9270, 9585, 11124, 12360, 12780, 13905, 14626, 15336, 18540, 19170, 21939, 22248, 25560, 27810, 29252, 36565, 37080, 38340, 43878, 55620, 58504, 65817, 73130, 76680, 87756, 109695, 111240, 131634, 146260, 175512, 197451, 219390, 263268, 292520, 329085, 394902, 438780, 526536, 658170, 789804, 877560, 987255, 1316340, 1579608, 1974510, 2632680, 3949020, 7898040]

約数ペア:

[(1, 7898040), (2, 3949020), (3, 2632680), (4, 1974510), (5, 1579608), (6, 1316340), (8, 987255), (9, 877560), (10, 789804), (12, 658170), (15, 526536), (18, 438780), (20, 394902), (24, 329085), (27, 292520), (30, 263268), (36, 219390), (40, 197451), (45, 175512), (54, 146260), (60, 131634), (71, 111240), (72, 109695), (90, 87756), (103, 76680), (108, 73130), (120, 65817), (135, 58504), (142, 55620), (180, 43878), (206, 38340), (213, 37080), (216, 36565), (270, 29252), (284, 27810), (309, 25560), (355, 22248), (360, 21939), (412, 19170), (426, 18540), (515, 15336), (540, 14626), (568, 13905), (618, 12780), (639, 12360), (710, 11124), (824, 9585), (852, 9270), (927, 8520), (1030, 7668), (1065, 7416), (1080, 7313), (1236, 6390), (1278, 6180), (1420, 5562), (1545, 5112), (1704, 4635), (1854, 4260), (1917, 4120), (2060, 3834), (2130, 3708), (2472, 3195), (2556, 3090), (2781, 2840)]