636480

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:53

約数の個数: 168

約数和(自身を含む): 2496312

約数和(自身を除く): 1859832

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 32, 34, 36, 39, 40, 45, 48, 51, 52, 60, 64, 65, 68, 72, 78, 80, 85, 90, 96, 102, 104, 117, 120, 130, 136, 144, 153, 156, 160, 170, 180, 192, 195, 204, 208, 221, 234, 240, 255, 260, 272, 288, 306, 312, 320, 340, 360, 390, 408, 416, 442, 468, 480, 510, 520, 544, 576, 585, 612, 624, 663, 680, 720, 765, 780, 816, 832, 884, 936, 960, 1020, 1040, 1088, 1105, 1170, 1224, 1248, 1326, 1360, 1440, 1530, 1560, 1632, 1768, 1872, 1989, 2040, 2080, 2210, 2340, 2448, 2496, 2652, 2720, 2880, 3060, 3120, 3264, 3315, 3536, 3744, 3978, 4080, 4160, 4420, 4680, 4896, 5304, 5440, 6120, 6240, 6630, 7072, 7488, 7956, 8160, 8840, 9360, 9792, 9945, 10608, 12240, 12480, 13260, 14144, 15912, 16320, 17680, 18720, 19890, 21216, 24480, 26520, 31824, 35360, 37440, 39780, 42432, 48960, 53040, 63648, 70720, 79560, 106080, 127296, 159120, 212160, 318240, 636480]

約数ペア:

[(1, 636480), (2, 318240), (3, 212160), (4, 159120), (5, 127296), (6, 106080), (8, 79560), (9, 70720), (10, 63648), (12, 53040), (13, 48960), (15, 42432), (16, 39780), (17, 37440), (18, 35360), (20, 31824), (24, 26520), (26, 24480), (30, 21216), (32, 19890), (34, 18720), (36, 17680), (39, 16320), (40, 15912), (45, 14144), (48, 13260), (51, 12480), (52, 12240), (60, 10608), (64, 9945), (65, 9792), (68, 9360), (72, 8840), (78, 8160), (80, 7956), (85, 7488), (90, 7072), (96, 6630), (102, 6240), (104, 6120), (117, 5440), (120, 5304), (130, 4896), (136, 4680), (144, 4420), (153, 4160), (156, 4080), (160, 3978), (170, 3744), (180, 3536), (192, 3315), (195, 3264), (204, 3120), (208, 3060), (221, 2880), (234, 2720), (240, 2652), (255, 2496), (260, 2448), (272, 2340), (288, 2210), (306, 2080), (312, 2040), (320, 1989), (340, 1872), (360, 1768), (390, 1632), (408, 1560), (416, 1530), (442, 1440), (468, 1360), (480, 1326), (510, 1248), (520, 1224), (544, 1170), (576, 1105), (585, 1088), (612, 1040), (624, 1020), (663, 960), (680, 936), (720, 884), (765, 832), (780, 816)]