199776780

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:330

約数の個数: 240

約数和(自身を含む): 728555520

約数和(自身を除く): 528778740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 79, 81, 84, 90, 105, 108, 126, 135, 140, 158, 162, 180, 189, 210, 223, 237, 252, 270, 315, 316, 324, 378, 395, 405, 420, 446, 474, 540, 553, 567, 630, 669, 711, 756, 790, 810, 892, 945, 948, 1106, 1115, 1134, 1185, 1260, 1338, 1422, 1561, 1580, 1620, 1659, 1890, 2007, 2133, 2212, 2230, 2268, 2370, 2676, 2765, 2835, 2844, 3122, 3318, 3345, 3555, 3780, 4014, 4266, 4460, 4683, 4740, 4977, 5530, 5670, 6021, 6244, 6399, 6636, 6690, 7110, 7805, 8028, 8295, 8532, 9366, 9954, 10035, 10665, 11060, 11340, 12042, 12798, 13380, 14049, 14220, 14931, 15610, 16590, 17617, 18063, 18732, 19908, 20070, 21330, 23415, 24084, 24885, 25596, 28098, 29862, 30105, 31220, 31995, 33180, 35234, 36126, 40140, 42147, 42660, 44793, 46830, 49770, 52851, 56196, 59724, 60210, 63990, 70245, 70468, 72252, 74655, 84294, 88085, 89586, 90315, 93660, 99540, 105702, 120420, 123319, 126441, 127980, 140490, 149310, 158553, 168588, 176170, 179172, 180630, 210735, 211404, 223965, 246638, 252882, 264255, 280980, 298620, 317106, 352340, 361260, 369957, 421470, 447930, 475659, 493276, 505764, 528510, 616595, 632205, 634212, 739914, 792765, 842940, 895860, 951318, 1057020, 1109871, 1233190, 1264410, 1426977, 1479828, 1585530, 1849785, 1902636, 2219742, 2378295, 2466380, 2528820, 2853954, 3171060, 3329613, 3699570, 4439484, 4756590, 5549355, 5707908, 6659226, 7134885, 7399140, 9513180, 9988839, 11098710, 13318452, 14269770, 16648065, 19977678, 22197420, 28539540, 33296130, 39955356, 49944195, 66592260, 99888390, 199776780]

約数ペア:

[(1, 199776780), (2, 99888390), (3, 66592260), (4, 49944195), (5, 39955356), (6, 33296130), (7, 28539540), (9, 22197420), (10, 19977678), (12, 16648065), (14, 14269770), (15, 13318452), (18, 11098710), (20, 9988839), (21, 9513180), (27, 7399140), (28, 7134885), (30, 6659226), (35, 5707908), (36, 5549355), (42, 4756590), (45, 4439484), (54, 3699570), (60, 3329613), (63, 3171060), (70, 2853954), (79, 2528820), (81, 2466380), (84, 2378295), (90, 2219742), (105, 1902636), (108, 1849785), (126, 1585530), (135, 1479828), (140, 1426977), (158, 1264410), (162, 1233190), (180, 1109871), (189, 1057020), (210, 951318), (223, 895860), (237, 842940), (252, 792765), (270, 739914), (315, 634212), (316, 632205), (324, 616595), (378, 528510), (395, 505764), (405, 493276), (420, 475659), (446, 447930), (474, 421470), (540, 369957), (553, 361260), (567, 352340), (630, 317106), (669, 298620), (711, 280980), (756, 264255), (790, 252882), (810, 246638), (892, 223965), (945, 211404), (948, 210735), (1106, 180630), (1115, 179172), (1134, 176170), (1185, 168588), (1260, 158553), (1338, 149310), (1422, 140490), (1561, 127980), (1580, 126441), (1620, 123319), (1659, 120420), (1890, 105702), (2007, 99540), (2133, 93660), (2212, 90315), (2230, 89586), (2268, 88085), (2370, 84294), (2676, 74655), (2765, 72252), (2835, 70468), (2844, 70245), (3122, 63990), (3318, 60210), (3345, 59724), (3555, 56196), (3780, 52851), (4014, 49770), (4266, 46830), (4460, 44793), (4683, 42660), (4740, 42147), (4977, 40140), (5530, 36126), (5670, 35234), (6021, 33180), (6244, 31995), (6399, 31220), (6636, 30105), (6690, 29862), (7110, 28098), (7805, 25596), (8028, 24885), (8295, 24084), (8532, 23415), (9366, 21330), (9954, 20070), (10035, 19908), (10665, 18732), (11060, 18063), (11340, 17617), (12042, 16590), (12798, 15610), (13380, 14931), (14049, 14220)]