215530240

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7321}}^1$

素因数の和:7365

約数の個数: 72

約数和(自身を含む): 538782048

約数和(自身を除く): 323251808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 5888, 7321, 7360, 14642, 14720, 29284, 29440, 36605, 58568, 73210, 117136, 146420, 168383, 234272, 292840, 336766, 468544, 585680, 673532, 841915, 937088, 1171360, 1347064, 1683830, 1874176, 2342720, 2694128, 3367660, 4685440, 5388256, 6735320, 9370880, 10776512, 13470640, 21553024, 26941280, 43106048, 53882560, 107765120, 215530240]

約数ペア:

[(1, 215530240), (2, 107765120), (4, 53882560), (5, 43106048), (8, 26941280), (10, 21553024), (16, 13470640), (20, 10776512), (23, 9370880), (32, 6735320), (40, 5388256), (46, 4685440), (64, 3367660), (80, 2694128), (92, 2342720), (115, 1874176), (128, 1683830), (160, 1347064), (184, 1171360), (230, 937088), (256, 841915), (320, 673532), (368, 585680), (460, 468544), (640, 336766), (736, 292840), (920, 234272), (1280, 168383), (1472, 146420), (1840, 117136), (2944, 73210), (3680, 58568), (5888, 36605), (7321, 29440), (7360, 29284), (14642, 14720)]