128454720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{463}}^1$

素因数の和:517

約数の個数: 168

約数和(自身を含む): 434181504

約数和(自身を除く): 305726784

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, 136, 160, 170, 192, 204, 240, 255, 272, 289, 320, 340, 408, 463, 480, 510, 544, 578, 680, 816, 867, 926, 960, 1020, 1088, 1156, 1360, 1389, 1445, 1632, 1734, 1852, 2040, 2312, 2315, 2720, 2778, 2890, 3264, 3468, 3704, 4080, 4335, 4624, 4630, 5440, 5556, 5780, 6936, 6945, 7408, 7871, 8160, 8670, 9248, 9260, 11112, 11560, 13872, 13890, 14816, 15742, 16320, 17340, 18496, 18520, 22224, 23120, 23613, 27744, 27780, 29632, 31484, 34680, 37040, 39355, 44448, 46240, 47226, 55488, 55560, 62968, 69360, 74080, 78710, 88896, 92480, 94452, 111120, 118065, 125936, 133807, 138720, 148160, 157420, 188904, 222240, 236130, 251872, 267614, 277440, 314840, 377808, 401421, 444480, 472260, 503744, 535228, 629680, 669035, 755616, 802842, 944520, 1070456, 1259360, 1338070, 1511232, 1605684, 1889040, 2007105, 2140912, 2518720, 2676140, 3211368, 3778080, 4014210, 4281824, 5352280, 6422736, 7556160, 8028420, 8563648, 10704560, 12845472, 16056840, 21409120, 25690944, 32113680, 42818240, 64227360, 128454720]

約数ペア:

[(1, 128454720), (2, 64227360), (3, 42818240), (4, 32113680), (5, 25690944), (6, 21409120), (8, 16056840), (10, 12845472), (12, 10704560), (15, 8563648), (16, 8028420), (17, 7556160), (20, 6422736), (24, 5352280), (30, 4281824), (32, 4014210), (34, 3778080), (40, 3211368), (48, 2676140), (51, 2518720), (60, 2140912), (64, 2007105), (68, 1889040), (80, 1605684), (85, 1511232), (96, 1338070), (102, 1259360), (120, 1070456), (136, 944520), (160, 802842), (170, 755616), (192, 669035), (204, 629680), (240, 535228), (255, 503744), (272, 472260), (289, 444480), (320, 401421), (340, 377808), (408, 314840), (463, 277440), (480, 267614), (510, 251872), (544, 236130), (578, 222240), (680, 188904), (816, 157420), (867, 148160), (926, 138720), (960, 133807), (1020, 125936), (1088, 118065), (1156, 111120), (1360, 94452), (1389, 92480), (1445, 88896), (1632, 78710), (1734, 74080), (1852, 69360), (2040, 62968), (2312, 55560), (2315, 55488), (2720, 47226), (2778, 46240), (2890, 44448), (3264, 39355), (3468, 37040), (3704, 34680), (4080, 31484), (4335, 29632), (4624, 27780), (4630, 27744), (5440, 23613), (5556, 23120), (5780, 22224), (6936, 18520), (6945, 18496), (7408, 17340), (7871, 16320), (8160, 15742), (8670, 14816), (9248, 13890), (9260, 13872), (11112, 11560)]