320720640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^4$

素因数の和:92

約数の個数: 180

約数和(自身を含む): 1088319624

約数和(自身を除く): 767598984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 289, 320, 340, 384, 408, 480, 510, 544, 578, 640, 680, 768, 816, 867, 960, 1020, 1088, 1156, 1280, 1360, 1445, 1632, 1734, 1920, 2040, 2176, 2312, 2720, 2890, 3264, 3468, 3840, 4080, 4335, 4352, 4624, 4913, 5440, 5780, 6528, 6936, 8160, 8670, 9248, 9826, 10880, 11560, 13056, 13872, 14739, 16320, 17340, 18496, 19652, 21760, 23120, 24565, 27744, 29478, 32640, 34680, 36992, 39304, 46240, 49130, 55488, 58956, 65280, 69360, 73695, 73984, 78608, 83521, 92480, 98260, 110976, 117912, 138720, 147390, 157216, 167042, 184960, 196520, 221952, 235824, 250563, 277440, 294780, 314432, 334084, 369920, 393040, 417605, 471648, 501126, 554880, 589560, 628864, 668168, 786080, 835210, 943296, 1002252, 1109760, 1179120, 1252815, 1257728, 1336336, 1572160, 1670420, 1886592, 2004504, 2358240, 2505630, 2672672, 3144320, 3340840, 3773184, 4009008, 4716480, 5011260, 5345344, 6288640, 6681680, 8018016, 9432960, 10022520, 10690688, 13363360, 16036032, 18865920, 20045040, 21381376, 26726720, 32072064, 40090080, 53453440, 64144128, 80180160, 106906880, 160360320, 320720640]

約数ペア:

[(1, 320720640), (2, 160360320), (3, 106906880), (4, 80180160), (5, 64144128), (6, 53453440), (8, 40090080), (10, 32072064), (12, 26726720), (15, 21381376), (16, 20045040), (17, 18865920), (20, 16036032), (24, 13363360), (30, 10690688), (32, 10022520), (34, 9432960), (40, 8018016), (48, 6681680), (51, 6288640), (60, 5345344), (64, 5011260), (68, 4716480), (80, 4009008), (85, 3773184), (96, 3340840), (102, 3144320), (120, 2672672), (128, 2505630), (136, 2358240), (160, 2004504), (170, 1886592), (192, 1670420), (204, 1572160), (240, 1336336), (255, 1257728), (256, 1252815), (272, 1179120), (289, 1109760), (320, 1002252), (340, 943296), (384, 835210), (408, 786080), (480, 668168), (510, 628864), (544, 589560), (578, 554880), (640, 501126), (680, 471648), (768, 417605), (816, 393040), (867, 369920), (960, 334084), (1020, 314432), (1088, 294780), (1156, 277440), (1280, 250563), (1360, 235824), (1445, 221952), (1632, 196520), (1734, 184960), (1920, 167042), (2040, 157216), (2176, 147390), (2312, 138720), (2720, 117912), (2890, 110976), (3264, 98260), (3468, 92480), (3840, 83521), (4080, 78608), (4335, 73984), (4352, 73695), (4624, 69360), (4913, 65280), (5440, 58956), (5780, 55488), (6528, 49130), (6936, 46240), (8160, 39304), (8670, 36992), (9248, 34680), (9826, 32640), (10880, 29478), (11560, 27744), (13056, 24565), (13872, 23120), (14739, 21760), (16320, 19652), (17340, 18496)]