21900120960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{619}}^1\times {\mathrm{18427}}^1$

素因数の和:19068

約数の個数: 128

約数和(自身を含む): 69923203200

約数和(自身を除く): 48023082240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 619, 640, 960, 1238, 1857, 1920, 2476, 3095, 3714, 4952, 6190, 7428, 9285, 9904, 12380, 14856, 18427, 18570, 19808, 24760, 29712, 36854, 37140, 39616, 49520, 55281, 59424, 73708, 74280, 79232, 92135, 99040, 110562, 118848, 147416, 148560, 184270, 198080, 221124, 237696, 276405, 294832, 297120, 368540, 396160, 442248, 552810, 589664, 594240, 737080, 884496, 1105620, 1179328, 1188480, 1474160, 1768992, 2211240, 2358656, 2948320, 3537984, 4422480, 5896640, 7075968, 8844960, 11406313, 11793280, 17689920, 22812626, 34218939, 35379840, 45625252, 57031565, 68437878, 91250504, 114063130, 136875756, 171094695, 182501008, 228126260, 273751512, 342189390, 365002016, 456252520, 547503024, 684378780, 730004032, 912505040, 1095006048, 1368757560, 1460008064, 1825010080, 2190012096, 2737515120, 3650020160, 4380024192, 5475030240, 7300040320, 10950060480, 21900120960]

約数ペア:

[(1, 21900120960), (2, 10950060480), (3, 7300040320), (4, 5475030240), (5, 4380024192), (6, 3650020160), (8, 2737515120), (10, 2190012096), (12, 1825010080), (15, 1460008064), (16, 1368757560), (20, 1095006048), (24, 912505040), (30, 730004032), (32, 684378780), (40, 547503024), (48, 456252520), (60, 365002016), (64, 342189390), (80, 273751512), (96, 228126260), (120, 182501008), (128, 171094695), (160, 136875756), (192, 114063130), (240, 91250504), (320, 68437878), (384, 57031565), (480, 45625252), (619, 35379840), (640, 34218939), (960, 22812626), (1238, 17689920), (1857, 11793280), (1920, 11406313), (2476, 8844960), (3095, 7075968), (3714, 5896640), (4952, 4422480), (6190, 3537984), (7428, 2948320), (9285, 2358656), (9904, 2211240), (12380, 1768992), (14856, 1474160), (18427, 1188480), (18570, 1179328), (19808, 1105620), (24760, 884496), (29712, 737080), (36854, 594240), (37140, 589664), (39616, 552810), (49520, 442248), (55281, 396160), (59424, 368540), (73708, 297120), (74280, 294832), (79232, 276405), (92135, 237696), (99040, 221124), (110562, 198080), (118848, 184270), (147416, 148560)]