156711440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1889}}^1$

素因数の和:1980

約数の個数: 80

約数和(自身を含む): 392318640

約数和(自身を除く): 235607200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 136, 170, 244, 272, 305, 340, 488, 610, 680, 976, 1037, 1220, 1360, 1889, 2074, 2440, 3778, 4148, 4880, 5185, 7556, 8296, 9445, 10370, 15112, 16592, 18890, 20740, 30224, 32113, 37780, 41480, 64226, 75560, 82960, 115229, 128452, 151120, 160565, 230458, 256904, 321130, 460916, 513808, 576145, 642260, 921832, 1152290, 1284520, 1843664, 1958893, 2304580, 2569040, 3917786, 4609160, 7835572, 9218320, 9794465, 15671144, 19588930, 31342288, 39177860, 78355720, 156711440]

約数ペア:

[(1, 156711440), (2, 78355720), (4, 39177860), (5, 31342288), (8, 19588930), (10, 15671144), (16, 9794465), (17, 9218320), (20, 7835572), (34, 4609160), (40, 3917786), (61, 2569040), (68, 2304580), (80, 1958893), (85, 1843664), (122, 1284520), (136, 1152290), (170, 921832), (244, 642260), (272, 576145), (305, 513808), (340, 460916), (488, 321130), (610, 256904), (680, 230458), (976, 160565), (1037, 151120), (1220, 128452), (1360, 115229), (1889, 82960), (2074, 75560), (2440, 64226), (3778, 41480), (4148, 37780), (4880, 32113), (5185, 30224), (7556, 20740), (8296, 18890), (9445, 16592), (10370, 15112)]