209115480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1439}}^1$

素因数の和:1633

約数の個数: 128

約数和(自身を含む): 721612800

約数和(自身を除く): 512497320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 173, 210, 280, 346, 420, 519, 692, 840, 865, 1038, 1211, 1384, 1439, 1730, 2076, 2422, 2595, 2878, 3460, 3633, 4152, 4317, 4844, 5190, 5756, 6055, 6920, 7195, 7266, 8634, 9688, 10073, 10380, 11512, 12110, 14390, 14532, 17268, 18165, 20146, 20760, 21585, 24220, 28780, 29064, 30219, 34536, 36330, 40292, 43170, 48440, 50365, 57560, 60438, 72660, 80584, 86340, 100730, 120876, 145320, 151095, 172680, 201460, 241752, 248947, 302190, 402920, 497894, 604380, 746841, 995788, 1208760, 1244735, 1493682, 1742629, 1991576, 2489470, 2987364, 3485258, 3734205, 4978940, 5227887, 5974728, 6970516, 7468410, 8713145, 9957880, 10455774, 13941032, 14936820, 17426290, 20911548, 26139435, 29873640, 34852580, 41823096, 52278870, 69705160, 104557740, 209115480]

約数ペア:

[(1, 209115480), (2, 104557740), (3, 69705160), (4, 52278870), (5, 41823096), (6, 34852580), (7, 29873640), (8, 26139435), (10, 20911548), (12, 17426290), (14, 14936820), (15, 13941032), (20, 10455774), (21, 9957880), (24, 8713145), (28, 7468410), (30, 6970516), (35, 5974728), (40, 5227887), (42, 4978940), (56, 3734205), (60, 3485258), (70, 2987364), (84, 2489470), (105, 1991576), (120, 1742629), (140, 1493682), (168, 1244735), (173, 1208760), (210, 995788), (280, 746841), (346, 604380), (420, 497894), (519, 402920), (692, 302190), (840, 248947), (865, 241752), (1038, 201460), (1211, 172680), (1384, 151095), (1439, 145320), (1730, 120876), (2076, 100730), (2422, 86340), (2595, 80584), (2878, 72660), (3460, 60438), (3633, 57560), (4152, 50365), (4317, 48440), (4844, 43170), (5190, 40292), (5756, 36330), (6055, 34536), (6920, 30219), (7195, 29064), (7266, 28780), (8634, 24220), (9688, 21585), (10073, 20760), (10380, 20146), (11512, 18165), (12110, 17268), (14390, 14532)]