128759700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{25247}}^1$

素因数の和:25281

約数の個数: 72

約数和(自身を含む): 394474752

約数和(自身を除く): 265715052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 5100, 25247, 50494, 75741, 100988, 126235, 151482, 252470, 302964, 378705, 429199, 504940, 631175, 757410, 858398, 1262350, 1287597, 1514820, 1716796, 1893525, 2145995, 2524700, 2575194, 3787050, 4291990, 5150388, 6437985, 7574100, 8583980, 10729975, 12875970, 21459950, 25751940, 32189925, 42919900, 64379850, 128759700]

約数ペア:

[(1, 128759700), (2, 64379850), (3, 42919900), (4, 32189925), (5, 25751940), (6, 21459950), (10, 12875970), (12, 10729975), (15, 8583980), (17, 7574100), (20, 6437985), (25, 5150388), (30, 4291990), (34, 3787050), (50, 2575194), (51, 2524700), (60, 2145995), (68, 1893525), (75, 1716796), (85, 1514820), (100, 1287597), (102, 1262350), (150, 858398), (170, 757410), (204, 631175), (255, 504940), (300, 429199), (340, 378705), (425, 302964), (510, 252470), (850, 151482), (1020, 126235), (1275, 100988), (1700, 75741), (2550, 50494), (5100, 25247)]