65236880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{257}}^1$

素因数の和:456

約数の個数: 80

約数和(自身を含む): 161239680

約数和(自身を除く): 96002800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 167, 190, 257, 304, 334, 380, 514, 668, 760, 835, 1028, 1285, 1336, 1520, 1670, 2056, 2570, 2672, 3173, 3340, 4112, 4883, 5140, 6346, 6680, 9766, 10280, 12692, 13360, 15865, 19532, 20560, 24415, 25384, 31730, 39064, 42919, 48830, 50768, 63460, 78128, 85838, 97660, 126920, 171676, 195320, 214595, 253840, 343352, 390640, 429190, 686704, 815461, 858380, 1630922, 1716760, 3261844, 3433520, 4077305, 6523688, 8154610, 13047376, 16309220, 32618440, 65236880]

約数ペア:

[(1, 65236880), (2, 32618440), (4, 16309220), (5, 13047376), (8, 8154610), (10, 6523688), (16, 4077305), (19, 3433520), (20, 3261844), (38, 1716760), (40, 1630922), (76, 858380), (80, 815461), (95, 686704), (152, 429190), (167, 390640), (190, 343352), (257, 253840), (304, 214595), (334, 195320), (380, 171676), (514, 126920), (668, 97660), (760, 85838), (835, 78128), (1028, 63460), (1285, 50768), (1336, 48830), (1520, 42919), (1670, 39064), (2056, 31730), (2570, 25384), (2672, 24415), (3173, 20560), (3340, 19532), (4112, 15865), (4883, 13360), (5140, 12692), (6346, 10280), (6680, 9766)]