16716780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{607}}^1$

素因数の和:645

約数の個数: 120

約数和(自身を含む): 55617408

約数和(自身を除く): 38900628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 255, 270, 306, 324, 340, 405, 459, 510, 540, 607, 612, 765, 810, 918, 1020, 1214, 1377, 1530, 1620, 1821, 1836, 2295, 2428, 2754, 3035, 3060, 3642, 4590, 5463, 5508, 6070, 6885, 7284, 9105, 9180, 10319, 10926, 12140, 13770, 16389, 18210, 20638, 21852, 27315, 27540, 30957, 32778, 36420, 41276, 49167, 51595, 54630, 61914, 65556, 81945, 92871, 98334, 103190, 109260, 123828, 154785, 163890, 185742, 196668, 206380, 245835, 278613, 309570, 327780, 371484, 464355, 491670, 557226, 619140, 835839, 928710, 983340, 1114452, 1393065, 1671678, 1857420, 2786130, 3343356, 4179195, 5572260, 8358390, 16716780]

約数ペア:

[(1, 16716780), (2, 8358390), (3, 5572260), (4, 4179195), (5, 3343356), (6, 2786130), (9, 1857420), (10, 1671678), (12, 1393065), (15, 1114452), (17, 983340), (18, 928710), (20, 835839), (27, 619140), (30, 557226), (34, 491670), (36, 464355), (45, 371484), (51, 327780), (54, 309570), (60, 278613), (68, 245835), (81, 206380), (85, 196668), (90, 185742), (102, 163890), (108, 154785), (135, 123828), (153, 109260), (162, 103190), (170, 98334), (180, 92871), (204, 81945), (255, 65556), (270, 61914), (306, 54630), (324, 51595), (340, 49167), (405, 41276), (459, 36420), (510, 32778), (540, 30957), (607, 27540), (612, 27315), (765, 21852), (810, 20638), (918, 18210), (1020, 16389), (1214, 13770), (1377, 12140), (1530, 10926), (1620, 10319), (1821, 9180), (1836, 9105), (2295, 7284), (2428, 6885), (2754, 6070), (3035, 5508), (3060, 5463), (3642, 4590)]