16501520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 44520960

約数和(自身を除く): 28019440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 373, 395, 553, 560, 632, 746, 790, 1106, 1264, 1492, 1580, 1865, 2212, 2611, 2765, 2984, 3160, 3730, 4424, 5222, 5530, 5968, 6320, 7460, 8848, 10444, 11060, 13055, 14920, 20888, 22120, 26110, 29467, 29840, 41776, 44240, 52220, 58934, 104440, 117868, 147335, 206269, 208880, 235736, 294670, 412538, 471472, 589340, 825076, 1031345, 1178680, 1650152, 2062690, 2357360, 3300304, 4125380, 8250760, 16501520]

約数ペア:

[(1, 16501520), (2, 8250760), (4, 4125380), (5, 3300304), (7, 2357360), (8, 2062690), (10, 1650152), (14, 1178680), (16, 1031345), (20, 825076), (28, 589340), (35, 471472), (40, 412538), (56, 294670), (70, 235736), (79, 208880), (80, 206269), (112, 147335), (140, 117868), (158, 104440), (280, 58934), (316, 52220), (373, 44240), (395, 41776), (553, 29840), (560, 29467), (632, 26110), (746, 22120), (790, 20888), (1106, 14920), (1264, 13055), (1492, 11060), (1580, 10444), (1865, 8848), (2212, 7460), (2611, 6320), (2765, 5968), (2984, 5530), (3160, 5222), (3730, 4424)]