About the Number

15228780

15228779 ← → 15228781

2進数表記:111010000101111101101100

漢数字表記:千五百二十二万八千七百八十

素因数分解:

2 2 × 3 1 × 5 1 × 7 1 × 101 1 × 359 1

素因数の和:479
約数の個数: 96
約数和(自身を含む): 49351680
約数和(自身を除く): 34122900

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 101, 105, 140, 202, 210, 303, 359, 404, 420, 505, 606, 707, 718, 1010, 1077, 1212, 1414, 1436, 1515, 1795, 2020, 2121, 2154, 2513, 2828, 3030, 3535, 3590, 4242, 4308, 5026, 5385, 6060, 7070, 7180, 7539, 8484, 10052, 10605, 10770, 12565, 14140, 15078, 21210, 21540, 25130, 30156, 36259, 37695, 42420, 50260, 72518, 75390, 108777, 145036, 150780, 181295, 217554, 253813, 362590, 435108, 507626, 543885, 725180, 761439, 1015252, 1087770, 1269065, 1522878, 2175540, 2538130, 3045756, 3807195, 5076260, 7614390, 15228780]

約数ペア:
[(1, 15228780), (2, 7614390), (3, 5076260), (4, 3807195), (5, 3045756), (6, 2538130), (7, 2175540), (10, 1522878), (12, 1269065), (14, 1087770), (15, 1015252), (20, 761439), (21, 725180), (28, 543885), (30, 507626), (35, 435108), (42, 362590), (60, 253813), (70, 217554), (84, 181295), (101, 150780), (105, 145036), (140, 108777), (202, 75390), (210, 72518), (303, 50260), (359, 42420), (404, 37695), (420, 36259), (505, 30156), (606, 25130), (707, 21540), (718, 21210), (1010, 15078), (1077, 14140), (1212, 12565), (1414, 10770), (1436, 10605), (1515, 10052), (1795, 8484), (2020, 7539), (2121, 7180), (2154, 7070), (2513, 6060), (2828, 5385), (3030, 5026), (3535, 4308), (3590, 4242)]

このpageの処理時間: 0.008899927139282227 seconds