205021320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5953}}^1$

素因数の和:6015

約数の個数: 128

約数和(自身を含む): 720195840

約数和(自身を除く): 515174520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 840, 861, 984, 1148, 1230, 1435, 1640, 1722, 2296, 2460, 2870, 3444, 4305, 4920, 5740, 5953, 6888, 8610, 11480, 11906, 17220, 17859, 23812, 29765, 34440, 35718, 41671, 47624, 59530, 71436, 83342, 89295, 119060, 125013, 142872, 166684, 178590, 208355, 238120, 244073, 250026, 333368, 357180, 416710, 488146, 500052, 625065, 714360, 732219, 833420, 976292, 1000104, 1220365, 1250130, 1464438, 1666840, 1708511, 1952584, 2440730, 2500260, 2928876, 3417022, 3661095, 4881460, 5000520, 5125533, 5857752, 6834044, 7322190, 8542555, 9762920, 10251066, 13668088, 14644380, 17085110, 20502132, 25627665, 29288760, 34170220, 41004264, 51255330, 68340440, 102510660, 205021320]

約数ペア:

[(1, 205021320), (2, 102510660), (3, 68340440), (4, 51255330), (5, 41004264), (6, 34170220), (7, 29288760), (8, 25627665), (10, 20502132), (12, 17085110), (14, 14644380), (15, 13668088), (20, 10251066), (21, 9762920), (24, 8542555), (28, 7322190), (30, 6834044), (35, 5857752), (40, 5125533), (41, 5000520), (42, 4881460), (56, 3661095), (60, 3417022), (70, 2928876), (82, 2500260), (84, 2440730), (105, 1952584), (120, 1708511), (123, 1666840), (140, 1464438), (164, 1250130), (168, 1220365), (205, 1000104), (210, 976292), (246, 833420), (280, 732219), (287, 714360), (328, 625065), (410, 500052), (420, 488146), (492, 416710), (574, 357180), (615, 333368), (820, 250026), (840, 244073), (861, 238120), (984, 208355), (1148, 178590), (1230, 166684), (1435, 142872), (1640, 125013), (1722, 119060), (2296, 89295), (2460, 83342), (2870, 71436), (3444, 59530), (4305, 47624), (4920, 41671), (5740, 35718), (5953, 34440), (6888, 29765), (8610, 23812), (11480, 17859), (11906, 17220)]