748767680

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:598

約数の個数: 112

約数和(自身を含む): 1836846720

約数和(自身を除く): 1088079040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 89, 122, 160, 178, 244, 305, 320, 356, 431, 445, 488, 610, 712, 862, 890, 976, 1220, 1424, 1724, 1780, 1952, 2155, 2440, 2848, 3448, 3560, 3904, 4310, 4880, 5429, 5696, 6896, 7120, 8620, 9760, 10858, 13792, 14240, 17240, 19520, 21716, 26291, 27145, 27584, 28480, 34480, 38359, 43432, 52582, 54290, 68960, 76718, 86864, 105164, 108580, 131455, 137920, 153436, 173728, 191795, 210328, 217160, 262910, 306872, 347456, 383590, 420656, 434320, 525820, 613744, 767180, 841312, 868640, 1051640, 1227488, 1534360, 1682624, 1737280, 2103280, 2339899, 2454976, 3068720, 4206560, 4679798, 6137440, 8413120, 9359596, 11699495, 12274880, 18719192, 23398990, 37438384, 46797980, 74876768, 93595960, 149753536, 187191920, 374383840, 748767680]

約数ペア:

[(1, 748767680), (2, 374383840), (4, 187191920), (5, 149753536), (8, 93595960), (10, 74876768), (16, 46797980), (20, 37438384), (32, 23398990), (40, 18719192), (61, 12274880), (64, 11699495), (80, 9359596), (89, 8413120), (122, 6137440), (160, 4679798), (178, 4206560), (244, 3068720), (305, 2454976), (320, 2339899), (356, 2103280), (431, 1737280), (445, 1682624), (488, 1534360), (610, 1227488), (712, 1051640), (862, 868640), (890, 841312), (976, 767180), (1220, 613744), (1424, 525820), (1724, 434320), (1780, 420656), (1952, 383590), (2155, 347456), (2440, 306872), (2848, 262910), (3448, 217160), (3560, 210328), (3904, 191795), (4310, 173728), (4880, 153436), (5429, 137920), (5696, 131455), (6896, 108580), (7120, 105164), (8620, 86864), (9760, 76718), (10858, 68960), (13792, 54290), (14240, 52582), (17240, 43432), (19520, 38359), (21716, 34480), (26291, 28480), (27145, 27584)]