128475900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{20393}}^1$

素因数の和:20420

約数の個数: 108

約数和(自身を含む): 460251792

約数和(自身を除く): 331775892

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 6300, 20393, 40786, 61179, 81572, 101965, 122358, 142751, 183537, 203930, 244716, 285502, 305895, 367074, 407860, 428253, 509825, 571004, 611790, 713755, 734148, 856506, 917685, 1019650, 1223580, 1284759, 1427510, 1529475, 1713012, 1835370, 2039300, 2141265, 2569518, 2855020, 3058950, 3568775, 3670740, 4282530, 4588425, 5139036, 6117900, 6423795, 7137550, 8565060, 9176850, 10706325, 12847590, 14275100, 18353700, 21412650, 25695180, 32118975, 42825300, 64237950, 128475900]

約数ペア:

[(1, 128475900), (2, 64237950), (3, 42825300), (4, 32118975), (5, 25695180), (6, 21412650), (7, 18353700), (9, 14275100), (10, 12847590), (12, 10706325), (14, 9176850), (15, 8565060), (18, 7137550), (20, 6423795), (21, 6117900), (25, 5139036), (28, 4588425), (30, 4282530), (35, 3670740), (36, 3568775), (42, 3058950), (45, 2855020), (50, 2569518), (60, 2141265), (63, 2039300), (70, 1835370), (75, 1713012), (84, 1529475), (90, 1427510), (100, 1284759), (105, 1223580), (126, 1019650), (140, 917685), (150, 856506), (175, 734148), (180, 713755), (210, 611790), (225, 571004), (252, 509825), (300, 428253), (315, 407860), (350, 367074), (420, 305895), (450, 285502), (525, 244716), (630, 203930), (700, 183537), (900, 142751), (1050, 122358), (1260, 101965), (1575, 81572), (2100, 61179), (3150, 40786), (6300, 20393)]