157571820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1583}}^1$

素因数の和:1684

約数の個数: 144

約数和(自身を含む): 553512960

約数和(自身を除く): 395941140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 395, 420, 474, 553, 630, 711, 790, 948, 1106, 1185, 1260, 1422, 1580, 1583, 1659, 2212, 2370, 2765, 2844, 3166, 3318, 3555, 4740, 4749, 4977, 5530, 6332, 6636, 7110, 7915, 8295, 9498, 9954, 11060, 11081, 14220, 14247, 15830, 16590, 18996, 19908, 22162, 23745, 24885, 28494, 31660, 33180, 33243, 44324, 47490, 49770, 55405, 56988, 66486, 71235, 94980, 99540, 99729, 110810, 125057, 132972, 142470, 166215, 199458, 221620, 250114, 284940, 332430, 375171, 398916, 498645, 500228, 625285, 664860, 750342, 875399, 997290, 1125513, 1250570, 1500684, 1750798, 1875855, 1994580, 2251026, 2501140, 2626197, 3501596, 3751710, 4376995, 4502052, 5252394, 5627565, 7503420, 7878591, 8753990, 10504788, 11255130, 13130985, 15757182, 17507980, 22510260, 26261970, 31514364, 39392955, 52523940, 78785910, 157571820]

約数ペア:

[(1, 157571820), (2, 78785910), (3, 52523940), (4, 39392955), (5, 31514364), (6, 26261970), (7, 22510260), (9, 17507980), (10, 15757182), (12, 13130985), (14, 11255130), (15, 10504788), (18, 8753990), (20, 7878591), (21, 7503420), (28, 5627565), (30, 5252394), (35, 4502052), (36, 4376995), (42, 3751710), (45, 3501596), (60, 2626197), (63, 2501140), (70, 2251026), (79, 1994580), (84, 1875855), (90, 1750798), (105, 1500684), (126, 1250570), (140, 1125513), (158, 997290), (180, 875399), (210, 750342), (237, 664860), (252, 625285), (315, 500228), (316, 498645), (395, 398916), (420, 375171), (474, 332430), (553, 284940), (630, 250114), (711, 221620), (790, 199458), (948, 166215), (1106, 142470), (1185, 132972), (1260, 125057), (1422, 110810), (1580, 99729), (1583, 99540), (1659, 94980), (2212, 71235), (2370, 66486), (2765, 56988), (2844, 55405), (3166, 49770), (3318, 47490), (3555, 44324), (4740, 33243), (4749, 33180), (4977, 31660), (5530, 28494), (6332, 24885), (6636, 23745), (7110, 22162), (7915, 19908), (8295, 18996), (9498, 16590), (9954, 15830), (11060, 14247), (11081, 14220)]