210015180

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:650

約数の個数: 144

約数和(自身を含む): 670225920

約数和(自身を除く): 460210740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 90, 108, 135, 158, 162, 180, 237, 243, 270, 316, 324, 395, 405, 474, 486, 540, 547, 711, 790, 810, 948, 972, 1094, 1185, 1215, 1422, 1580, 1620, 1641, 2133, 2188, 2370, 2430, 2735, 2844, 3282, 3555, 4266, 4740, 4860, 4923, 5470, 6399, 6564, 7110, 8205, 8532, 9846, 10665, 10940, 12798, 14220, 14769, 16410, 19197, 19692, 21330, 24615, 25596, 29538, 31995, 32820, 38394, 42660, 43213, 44307, 49230, 59076, 63990, 73845, 76788, 86426, 88614, 95985, 98460, 127980, 129639, 132921, 147690, 172852, 177228, 191970, 216065, 221535, 259278, 265842, 295380, 383940, 388917, 432130, 443070, 518556, 531684, 648195, 664605, 777834, 864260, 886140, 1166751, 1296390, 1329210, 1555668, 1944585, 2333502, 2592780, 2658420, 3500253, 3889170, 4667004, 5833755, 7000506, 7778340, 10500759, 11667510, 14001012, 17501265, 21001518, 23335020, 35002530, 42003036, 52503795, 70005060, 105007590, 210015180]

約数ペア:

[(1, 210015180), (2, 105007590), (3, 70005060), (4, 52503795), (5, 42003036), (6, 35002530), (9, 23335020), (10, 21001518), (12, 17501265), (15, 14001012), (18, 11667510), (20, 10500759), (27, 7778340), (30, 7000506), (36, 5833755), (45, 4667004), (54, 3889170), (60, 3500253), (79, 2658420), (81, 2592780), (90, 2333502), (108, 1944585), (135, 1555668), (158, 1329210), (162, 1296390), (180, 1166751), (237, 886140), (243, 864260), (270, 777834), (316, 664605), (324, 648195), (395, 531684), (405, 518556), (474, 443070), (486, 432130), (540, 388917), (547, 383940), (711, 295380), (790, 265842), (810, 259278), (948, 221535), (972, 216065), (1094, 191970), (1185, 177228), (1215, 172852), (1422, 147690), (1580, 132921), (1620, 129639), (1641, 127980), (2133, 98460), (2188, 95985), (2370, 88614), (2430, 86426), (2735, 76788), (2844, 73845), (3282, 63990), (3555, 59076), (4266, 49230), (4740, 44307), (4860, 43213), (4923, 42660), (5470, 38394), (6399, 32820), (6564, 31995), (7110, 29538), (8205, 25596), (8532, 24615), (9846, 21330), (10665, 19692), (10940, 19197), (12798, 16410), (14220, 14769)]