8827020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 29484000

約数和(自身を除く): 20656980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 38, 45, 57, 58, 60, 76, 87, 89, 90, 95, 114, 116, 145, 171, 174, 178, 180, 190, 228, 261, 267, 285, 290, 342, 348, 356, 380, 435, 445, 522, 534, 551, 570, 580, 684, 801, 855, 870, 890, 1044, 1068, 1102, 1140, 1305, 1335, 1602, 1653, 1691, 1710, 1740, 1780, 2204, 2581, 2610, 2670, 2755, 3204, 3306, 3382, 3420, 4005, 4959, 5073, 5162, 5220, 5340, 5510, 6612, 6764, 7743, 8010, 8265, 8455, 9918, 10146, 10324, 11020, 12905, 15219, 15486, 16020, 16530, 16910, 19836, 20292, 23229, 24795, 25365, 25810, 30438, 30972, 33060, 33820, 38715, 46458, 49039, 49590, 50730, 51620, 60876, 76095, 77430, 92916, 98078, 99180, 101460, 116145, 147117, 152190, 154860, 196156, 232290, 245195, 294234, 304380, 441351, 464580, 490390, 588468, 735585, 882702, 980780, 1471170, 1765404, 2206755, 2942340, 4413510, 8827020]

約数ペア:

[(1, 8827020), (2, 4413510), (3, 2942340), (4, 2206755), (5, 1765404), (6, 1471170), (9, 980780), (10, 882702), (12, 735585), (15, 588468), (18, 490390), (19, 464580), (20, 441351), (29, 304380), (30, 294234), (36, 245195), (38, 232290), (45, 196156), (57, 154860), (58, 152190), (60, 147117), (76, 116145), (87, 101460), (89, 99180), (90, 98078), (95, 92916), (114, 77430), (116, 76095), (145, 60876), (171, 51620), (174, 50730), (178, 49590), (180, 49039), (190, 46458), (228, 38715), (261, 33820), (267, 33060), (285, 30972), (290, 30438), (342, 25810), (348, 25365), (356, 24795), (380, 23229), (435, 20292), (445, 19836), (522, 16910), (534, 16530), (551, 16020), (570, 15486), (580, 15219), (684, 12905), (801, 11020), (855, 10324), (870, 10146), (890, 9918), (1044, 8455), (1068, 8265), (1102, 8010), (1140, 7743), (1305, 6764), (1335, 6612), (1602, 5510), (1653, 5340), (1691, 5220), (1710, 5162), (1740, 5073), (1780, 4959), (2204, 4005), (2581, 3420), (2610, 3382), (2670, 3306), (2755, 3204)]