205396380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:305

約数の個数: 288

約数和(自身を含む): 774918144

約数和(自身を除く): 569521764

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 43, 45, 51, 60, 63, 68, 70, 84, 85, 86, 90, 102, 105, 119, 126, 129, 140, 153, 170, 172, 180, 204, 210, 215, 223, 238, 252, 255, 258, 301, 306, 315, 340, 357, 387, 420, 430, 446, 476, 510, 516, 595, 602, 612, 630, 645, 669, 714, 731, 765, 774, 860, 892, 903, 1020, 1071, 1115, 1190, 1204, 1260, 1290, 1338, 1428, 1462, 1505, 1530, 1548, 1561, 1785, 1806, 1935, 2007, 2142, 2193, 2230, 2380, 2580, 2676, 2709, 2924, 3010, 3060, 3122, 3345, 3570, 3612, 3655, 3791, 3870, 4014, 4284, 4386, 4460, 4515, 4683, 5117, 5355, 5418, 6020, 6244, 6579, 6690, 7140, 7310, 7582, 7740, 7805, 8028, 8772, 9030, 9366, 9589, 10035, 10234, 10710, 10836, 10965, 11373, 13158, 13380, 13545, 14049, 14620, 15164, 15351, 15610, 18060, 18732, 18955, 19178, 20070, 20468, 21420, 21930, 22746, 23415, 25585, 26316, 26537, 27090, 28098, 28767, 30702, 31220, 32895, 34119, 37910, 38356, 40140, 43860, 45492, 46053, 46830, 47945, 51170, 53074, 54180, 56196, 56865, 57534, 61404, 65790, 67123, 68238, 70245, 75820, 76755, 79611, 86301, 92106, 93660, 95890, 102340, 106148, 113730, 115068, 131580, 132685, 134246, 136476, 140490, 143835, 153510, 159222, 163013, 170595, 172602, 184212, 191780, 201369, 227460, 230265, 238833, 265370, 268492, 280980, 287670, 307020, 318444, 326026, 335615, 341190, 345204, 398055, 402738, 431505, 460530, 477666, 489039, 530740, 575340, 604107, 652052, 671230, 682380, 796110, 805476, 815065, 863010, 921060, 955332, 978078, 1006845, 1141091, 1194165, 1208214, 1342460, 1467117, 1592220, 1630130, 1726020, 1956156, 2013690, 2282182, 2388330, 2416428, 2445195, 2934234, 3020535, 3260260, 3423273, 4027380, 4564364, 4776660, 4890390, 5705455, 5868468, 6041070, 6846546, 7335585, 9780780, 10269819, 11410910, 12082140, 13693092, 14671170, 17116365, 20539638, 22821820, 29342340, 34232730, 41079276, 51349095, 68465460, 102698190, 205396380]

約数ペア:

[(1, 205396380), (2, 102698190), (3, 68465460), (4, 51349095), (5, 41079276), (6, 34232730), (7, 29342340), (9, 22821820), (10, 20539638), (12, 17116365), (14, 14671170), (15, 13693092), (17, 12082140), (18, 11410910), (20, 10269819), (21, 9780780), (28, 7335585), (30, 6846546), (34, 6041070), (35, 5868468), (36, 5705455), (42, 4890390), (43, 4776660), (45, 4564364), (51, 4027380), (60, 3423273), (63, 3260260), (68, 3020535), (70, 2934234), (84, 2445195), (85, 2416428), (86, 2388330), (90, 2282182), (102, 2013690), (105, 1956156), (119, 1726020), (126, 1630130), (129, 1592220), (140, 1467117), (153, 1342460), (170, 1208214), (172, 1194165), (180, 1141091), (204, 1006845), (210, 978078), (215, 955332), (223, 921060), (238, 863010), (252, 815065), (255, 805476), (258, 796110), (301, 682380), (306, 671230), (315, 652052), (340, 604107), (357, 575340), (387, 530740), (420, 489039), (430, 477666), (446, 460530), (476, 431505), (510, 402738), (516, 398055), (595, 345204), (602, 341190), (612, 335615), (630, 326026), (645, 318444), (669, 307020), (714, 287670), (731, 280980), (765, 268492), (774, 265370), (860, 238833), (892, 230265), (903, 227460), (1020, 201369), (1071, 191780), (1115, 184212), (1190, 172602), (1204, 170595), (1260, 163013), (1290, 159222), (1338, 153510), (1428, 143835), (1462, 140490), (1505, 136476), (1530, 134246), (1548, 132685), (1561, 131580), (1785, 115068), (1806, 113730), (1935, 106148), (2007, 102340), (2142, 95890), (2193, 93660), (2230, 92106), (2380, 86301), (2580, 79611), (2676, 76755), (2709, 75820), (2924, 70245), (3010, 68238), (3060, 67123), (3122, 65790), (3345, 61404), (3570, 57534), (3612, 56865), (3655, 56196), (3791, 54180), (3870, 53074), (4014, 51170), (4284, 47945), (4386, 46830), (4460, 46053), (4515, 45492), (4683, 43860), (5117, 40140), (5355, 38356), (5418, 37910), (6020, 34119), (6244, 32895), (6579, 31220), (6690, 30702), (7140, 28767), (7310, 28098), (7582, 27090), (7740, 26537), (7805, 26316), (8028, 25585), (8772, 23415), (9030, 22746), (9366, 21930), (9589, 21420), (10035, 20468), (10234, 20070), (10710, 19178), (10836, 18955), (10965, 18732), (11373, 18060), (13158, 15610), (13380, 15351), (13545, 15164), (14049, 14620)]