471720320

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:404

約数の個数: 128

約数和(自身を含む): 1177022880

約数和(自身を除く): 705302560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 61, 64, 80, 86, 122, 128, 160, 172, 215, 244, 281, 305, 320, 344, 430, 488, 562, 610, 640, 688, 860, 976, 1124, 1220, 1376, 1405, 1720, 1952, 2248, 2440, 2623, 2752, 2810, 3440, 3904, 4496, 4880, 5246, 5504, 5620, 6880, 7808, 8992, 9760, 10492, 11240, 12083, 13115, 13760, 17141, 17984, 19520, 20984, 22480, 24166, 26230, 27520, 34282, 35968, 39040, 41968, 44960, 48332, 52460, 60415, 68564, 83936, 85705, 89920, 96664, 104920, 120830, 137128, 167872, 171410, 179840, 193328, 209840, 241660, 274256, 335744, 342820, 386656, 419680, 483320, 548512, 685640, 737063, 773312, 839360, 966640, 1097024, 1371280, 1474126, 1546624, 1678720, 1933280, 2194048, 2742560, 2948252, 3685315, 3866560, 5485120, 5896504, 7370630, 7733120, 10970240, 11793008, 14741260, 23586016, 29482520, 47172032, 58965040, 94344064, 117930080, 235860160, 471720320]

約数ペア:

[(1, 471720320), (2, 235860160), (4, 117930080), (5, 94344064), (8, 58965040), (10, 47172032), (16, 29482520), (20, 23586016), (32, 14741260), (40, 11793008), (43, 10970240), (61, 7733120), (64, 7370630), (80, 5896504), (86, 5485120), (122, 3866560), (128, 3685315), (160, 2948252), (172, 2742560), (215, 2194048), (244, 1933280), (281, 1678720), (305, 1546624), (320, 1474126), (344, 1371280), (430, 1097024), (488, 966640), (562, 839360), (610, 773312), (640, 737063), (688, 685640), (860, 548512), (976, 483320), (1124, 419680), (1220, 386656), (1376, 342820), (1405, 335744), (1720, 274256), (1952, 241660), (2248, 209840), (2440, 193328), (2623, 179840), (2752, 171410), (2810, 167872), (3440, 137128), (3904, 120830), (4496, 104920), (4880, 96664), (5246, 89920), (5504, 85705), (5620, 83936), (6880, 68564), (7808, 60415), (8992, 52460), (9760, 48332), (10492, 44960), (11240, 41968), (12083, 39040), (13115, 35968), (13760, 34282), (17141, 27520), (17984, 26230), (19520, 24166), (20984, 22480)]