208891920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{51199}}^1$

素因数の和:51232

約数の個数: 80

約数和(自身を含む): 685670400

約数和(自身を除く): 476778480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 51199, 102398, 153597, 204796, 255995, 307194, 409592, 511990, 614388, 767985, 819184, 870383, 1023980, 1228776, 1535970, 1740766, 2047960, 2457552, 2611149, 3071940, 3481532, 4095920, 4351915, 5222298, 6143880, 6963064, 8703830, 10444596, 12287760, 13055745, 13926128, 17407660, 20889192, 26111490, 34815320, 41778384, 52222980, 69630640, 104445960, 208891920]

約数ペア:

[(1, 208891920), (2, 104445960), (3, 69630640), (4, 52222980), (5, 41778384), (6, 34815320), (8, 26111490), (10, 20889192), (12, 17407660), (15, 13926128), (16, 13055745), (17, 12287760), (20, 10444596), (24, 8703830), (30, 6963064), (34, 6143880), (40, 5222298), (48, 4351915), (51, 4095920), (60, 3481532), (68, 3071940), (80, 2611149), (85, 2457552), (102, 2047960), (120, 1740766), (136, 1535970), (170, 1228776), (204, 1023980), (240, 870383), (255, 819184), (272, 767985), (340, 614388), (408, 511990), (510, 409592), (680, 307194), (816, 255995), (1020, 204796), (1360, 153597), (2040, 102398), (4080, 51199)]