2223720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:120

約数の個数: 128

約数和(自身を含む): 7776000

約数和(自身を除く): 5552280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 71, 72, 87, 90, 108, 116, 120, 135, 142, 145, 174, 180, 213, 216, 232, 261, 270, 284, 290, 348, 355, 360, 426, 435, 522, 540, 568, 580, 639, 696, 710, 783, 852, 870, 1044, 1065, 1080, 1160, 1278, 1305, 1420, 1566, 1704, 1740, 1917, 2059, 2088, 2130, 2556, 2610, 2840, 3132, 3195, 3480, 3834, 3915, 4118, 4260, 5112, 5220, 6177, 6264, 6390, 7668, 7830, 8236, 8520, 9585, 10295, 10440, 12354, 12780, 15336, 15660, 16472, 18531, 19170, 20590, 24708, 25560, 30885, 31320, 37062, 38340, 41180, 49416, 55593, 61770, 74124, 76680, 82360, 92655, 111186, 123540, 148248, 185310, 222372, 247080, 277965, 370620, 444744, 555930, 741240, 1111860, 2223720]

約数ペア:

[(1, 2223720), (2, 1111860), (3, 741240), (4, 555930), (5, 444744), (6, 370620), (8, 277965), (9, 247080), (10, 222372), (12, 185310), (15, 148248), (18, 123540), (20, 111186), (24, 92655), (27, 82360), (29, 76680), (30, 74124), (36, 61770), (40, 55593), (45, 49416), (54, 41180), (58, 38340), (60, 37062), (71, 31320), (72, 30885), (87, 25560), (90, 24708), (108, 20590), (116, 19170), (120, 18531), (135, 16472), (142, 15660), (145, 15336), (174, 12780), (180, 12354), (213, 10440), (216, 10295), (232, 9585), (261, 8520), (270, 8236), (284, 7830), (290, 7668), (348, 6390), (355, 6264), (360, 6177), (426, 5220), (435, 5112), (522, 4260), (540, 4118), (568, 3915), (580, 3834), (639, 3480), (696, 3195), (710, 3132), (783, 2840), (852, 2610), (870, 2556), (1044, 2130), (1065, 2088), (1080, 2059), (1160, 1917), (1278, 1740), (1305, 1704), (1420, 1566)]