16719840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{683}}^1$

素因数の和:721

約数の個数: 144

約数和(自身を含む): 60501168

約数和(自身を除く): 43781328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 408, 480, 510, 544, 612, 680, 683, 720, 765, 816, 1020, 1224, 1360, 1366, 1440, 1530, 1632, 2040, 2049, 2448, 2720, 2732, 3060, 3415, 4080, 4098, 4896, 5464, 6120, 6147, 6830, 8160, 8196, 10245, 10928, 11611, 12240, 12294, 13660, 16392, 20490, 21856, 23222, 24480, 24588, 27320, 30735, 32784, 34833, 40980, 46444, 49176, 54640, 58055, 61470, 65568, 69666, 81960, 92888, 98352, 104499, 109280, 116110, 122940, 139332, 163920, 174165, 185776, 196704, 208998, 232220, 245880, 278664, 327840, 348330, 371552, 417996, 464440, 491760, 522495, 557328, 696660, 835992, 928880, 983520, 1044990, 1114656, 1393320, 1671984, 1857760, 2089980, 2786640, 3343968, 4179960, 5573280, 8359920, 16719840]

約数ペア:

[(1, 16719840), (2, 8359920), (3, 5573280), (4, 4179960), (5, 3343968), (6, 2786640), (8, 2089980), (9, 1857760), (10, 1671984), (12, 1393320), (15, 1114656), (16, 1044990), (17, 983520), (18, 928880), (20, 835992), (24, 696660), (30, 557328), (32, 522495), (34, 491760), (36, 464440), (40, 417996), (45, 371552), (48, 348330), (51, 327840), (60, 278664), (68, 245880), (72, 232220), (80, 208998), (85, 196704), (90, 185776), (96, 174165), (102, 163920), (120, 139332), (136, 122940), (144, 116110), (153, 109280), (160, 104499), (170, 98352), (180, 92888), (204, 81960), (240, 69666), (255, 65568), (272, 61470), (288, 58055), (306, 54640), (340, 49176), (360, 46444), (408, 40980), (480, 34833), (510, 32784), (544, 30735), (612, 27320), (680, 24588), (683, 24480), (720, 23222), (765, 21856), (816, 20490), (1020, 16392), (1224, 13660), (1360, 12294), (1366, 12240), (1440, 11611), (1530, 10928), (1632, 10245), (2040, 8196), (2049, 8160), (2448, 6830), (2720, 6147), (2732, 6120), (3060, 5464), (3415, 4896), (4080, 4098)]