641040000

素因数分解:

$2^7\times 3^1\times 5^4\times {\mathrm{2671}}^1$

素因数の和:2708

約数の個数: 160

約数和(自身を含む): 2128568640

約数和(自身を除く): 1487528640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 128, 150, 160, 192, 200, 240, 250, 300, 320, 375, 384, 400, 480, 500, 600, 625, 640, 750, 800, 960, 1000, 1200, 1250, 1500, 1600, 1875, 1920, 2000, 2400, 2500, 2671, 3000, 3200, 3750, 4000, 4800, 5000, 5342, 6000, 7500, 8000, 8013, 9600, 10000, 10684, 12000, 13355, 15000, 16000, 16026, 20000, 21368, 24000, 26710, 30000, 32052, 40000, 40065, 42736, 48000, 53420, 60000, 64104, 66775, 80000, 80130, 85472, 106840, 120000, 128208, 133550, 160260, 170944, 200325, 213680, 240000, 256416, 267100, 320520, 333875, 341888, 400650, 427360, 512832, 534200, 641040, 667750, 801300, 854720, 1001625, 1025664, 1068400, 1282080, 1335500, 1602600, 1669375, 1709440, 2003250, 2136800, 2564160, 2671000, 3205200, 3338750, 4006500, 4273600, 5008125, 5128320, 5342000, 6410400, 6677500, 8013000, 8547200, 10016250, 10684000, 12820800, 13355000, 16026000, 20032500, 21368000, 25641600, 26710000, 32052000, 40065000, 42736000, 53420000, 64104000, 80130000, 106840000, 128208000, 160260000, 213680000, 320520000, 641040000]

約数ペア:

[(1, 641040000), (2, 320520000), (3, 213680000), (4, 160260000), (5, 128208000), (6, 106840000), (8, 80130000), (10, 64104000), (12, 53420000), (15, 42736000), (16, 40065000), (20, 32052000), (24, 26710000), (25, 25641600), (30, 21368000), (32, 20032500), (40, 16026000), (48, 13355000), (50, 12820800), (60, 10684000), (64, 10016250), (75, 8547200), (80, 8013000), (96, 6677500), (100, 6410400), (120, 5342000), (125, 5128320), (128, 5008125), (150, 4273600), (160, 4006500), (192, 3338750), (200, 3205200), (240, 2671000), (250, 2564160), (300, 2136800), (320, 2003250), (375, 1709440), (384, 1669375), (400, 1602600), (480, 1335500), (500, 1282080), (600, 1068400), (625, 1025664), (640, 1001625), (750, 854720), (800, 801300), (960, 667750), (1000, 641040), (1200, 534200), (1250, 512832), (1500, 427360), (1600, 400650), (1875, 341888), (1920, 333875), (2000, 320520), (2400, 267100), (2500, 256416), (2671, 240000), (3000, 213680), (3200, 200325), (3750, 170944), (4000, 160260), (4800, 133550), (5000, 128208), (5342, 120000), (6000, 106840), (7500, 85472), (8000, 80130), (8013, 80000), (9600, 66775), (10000, 64104), (10684, 60000), (12000, 53420), (13355, 48000), (15000, 42736), (16000, 40065), (16026, 40000), (20000, 32052), (21368, 30000), (24000, 26710)]