240288440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:146

約数の個数: 192

約数和(自身を含む): 686361600

約数和(自身を除く): 446073160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 47, 56, 62, 70, 76, 94, 95, 124, 133, 140, 152, 155, 188, 190, 217, 235, 248, 266, 280, 310, 329, 376, 380, 434, 470, 532, 589, 620, 658, 665, 760, 868, 893, 940, 961, 1064, 1085, 1178, 1240, 1316, 1330, 1457, 1645, 1736, 1786, 1880, 1922, 2170, 2356, 2632, 2660, 2914, 2945, 3290, 3572, 3844, 4123, 4340, 4465, 4712, 4805, 5320, 5828, 5890, 6251, 6580, 6727, 7144, 7285, 7688, 8246, 8680, 8930, 9610, 10199, 11656, 11780, 12502, 13160, 13454, 14570, 16492, 17860, 18259, 19220, 20398, 20615, 23560, 25004, 26908, 27683, 29140, 31255, 32984, 33635, 35720, 36518, 38440, 40796, 41230, 45167, 50008, 50995, 53816, 55366, 58280, 62510, 67270, 73036, 81592, 82460, 90334, 91295, 101990, 110732, 125020, 127813, 134540, 138415, 146072, 164920, 180668, 182590, 193781, 203980, 221464, 225835, 250040, 255626, 269080, 276830, 316169, 361336, 365180, 387562, 407960, 451670, 511252, 553660, 632338, 639065, 730360, 775124, 858173, 903340, 968905, 1022504, 1107320, 1264676, 1278130, 1550248, 1580845, 1716346, 1806680, 1937810, 2529352, 2556260, 3161690, 3432692, 3875620, 4290865, 5112520, 6007211, 6323380, 6865384, 7751240, 8581730, 12014422, 12646760, 17163460, 24028844, 30036055, 34326920, 48057688, 60072110, 120144220, 240288440]

約数ペア:

[(1, 240288440), (2, 120144220), (4, 60072110), (5, 48057688), (7, 34326920), (8, 30036055), (10, 24028844), (14, 17163460), (19, 12646760), (20, 12014422), (28, 8581730), (31, 7751240), (35, 6865384), (38, 6323380), (40, 6007211), (47, 5112520), (56, 4290865), (62, 3875620), (70, 3432692), (76, 3161690), (94, 2556260), (95, 2529352), (124, 1937810), (133, 1806680), (140, 1716346), (152, 1580845), (155, 1550248), (188, 1278130), (190, 1264676), (217, 1107320), (235, 1022504), (248, 968905), (266, 903340), (280, 858173), (310, 775124), (329, 730360), (376, 639065), (380, 632338), (434, 553660), (470, 511252), (532, 451670), (589, 407960), (620, 387562), (658, 365180), (665, 361336), (760, 316169), (868, 276830), (893, 269080), (940, 255626), (961, 250040), (1064, 225835), (1085, 221464), (1178, 203980), (1240, 193781), (1316, 182590), (1330, 180668), (1457, 164920), (1645, 146072), (1736, 138415), (1786, 134540), (1880, 127813), (1922, 125020), (2170, 110732), (2356, 101990), (2632, 91295), (2660, 90334), (2914, 82460), (2945, 81592), (3290, 73036), (3572, 67270), (3844, 62510), (4123, 58280), (4340, 55366), (4465, 53816), (4712, 50995), (4805, 50008), (5320, 45167), (5828, 41230), (5890, 40796), (6251, 38440), (6580, 36518), (6727, 35720), (7144, 33635), (7285, 32984), (7688, 31255), (8246, 29140), (8680, 27683), (8930, 26908), (9610, 25004), (10199, 23560), (11656, 20615), (11780, 20398), (12502, 19220), (13160, 18259), (13454, 17860), (14570, 16492)]