163975520

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:328

約数の個数: 96

約数和(自身を含む): 399440160

約数和(自身を除く): 235464640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 101, 139, 146, 160, 202, 278, 292, 365, 404, 505, 556, 584, 695, 730, 808, 1010, 1112, 1168, 1390, 1460, 1616, 2020, 2224, 2336, 2780, 2920, 3232, 4040, 4448, 5560, 5840, 7373, 8080, 10147, 11120, 11680, 14039, 14746, 16160, 20294, 22240, 28078, 29492, 36865, 40588, 50735, 56156, 58984, 70195, 73730, 81176, 101470, 112312, 117968, 140390, 147460, 162352, 202940, 224624, 235936, 280780, 294920, 324704, 405880, 449248, 561560, 589840, 811760, 1024847, 1123120, 1179680, 1623520, 2049694, 2246240, 4099388, 5124235, 8198776, 10248470, 16397552, 20496940, 32795104, 40993880, 81987760, 163975520]

約数ペア:

[(1, 163975520), (2, 81987760), (4, 40993880), (5, 32795104), (8, 20496940), (10, 16397552), (16, 10248470), (20, 8198776), (32, 5124235), (40, 4099388), (73, 2246240), (80, 2049694), (101, 1623520), (139, 1179680), (146, 1123120), (160, 1024847), (202, 811760), (278, 589840), (292, 561560), (365, 449248), (404, 405880), (505, 324704), (556, 294920), (584, 280780), (695, 235936), (730, 224624), (808, 202940), (1010, 162352), (1112, 147460), (1168, 140390), (1390, 117968), (1460, 112312), (1616, 101470), (2020, 81176), (2224, 73730), (2336, 70195), (2780, 58984), (2920, 56156), (3232, 50735), (4040, 40588), (4448, 36865), (5560, 29492), (5840, 28078), (7373, 22240), (8080, 20294), (10147, 16160), (11120, 14746), (11680, 14039)]