279622980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:475

約数の個数: 288

約数和(自身を含む): 1070893824

約数和(自身を除く): 791270844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 43, 45, 52, 60, 63, 65, 70, 78, 84, 86, 90, 91, 105, 117, 126, 129, 130, 140, 156, 172, 180, 182, 195, 210, 215, 234, 252, 258, 260, 273, 301, 315, 364, 387, 390, 397, 420, 430, 455, 468, 516, 546, 559, 585, 602, 630, 645, 774, 780, 794, 819, 860, 903, 910, 1092, 1118, 1170, 1191, 1204, 1260, 1290, 1365, 1505, 1548, 1588, 1638, 1677, 1806, 1820, 1935, 1985, 2236, 2340, 2382, 2580, 2709, 2730, 2779, 2795, 3010, 3276, 3354, 3573, 3612, 3870, 3913, 3970, 4095, 4515, 4764, 5031, 5161, 5418, 5460, 5558, 5590, 5955, 6020, 6708, 7146, 7740, 7826, 7940, 8190, 8337, 8385, 9030, 10062, 10322, 10836, 11116, 11180, 11739, 11910, 13545, 13895, 14292, 15483, 15652, 16380, 16674, 16770, 17071, 17865, 18060, 19565, 20124, 20644, 23478, 23820, 25011, 25155, 25805, 27090, 27790, 30966, 33348, 33540, 34142, 35217, 35730, 36127, 39130, 41685, 46449, 46956, 50022, 50310, 51213, 51610, 54180, 55580, 58695, 61932, 68284, 70434, 71460, 72254, 77415, 78260, 83370, 85355, 92898, 100044, 100620, 102426, 103220, 108381, 117390, 119497, 125055, 140868, 144508, 153639, 154830, 166740, 170710, 176085, 180635, 185796, 204852, 216762, 221923, 232245, 234780, 238994, 250110, 256065, 307278, 309660, 325143, 341420, 352170, 358491, 361270, 433524, 443846, 464490, 477988, 500220, 512130, 541905, 597485, 614556, 650286, 665769, 704340, 716982, 722540, 768195, 887692, 928980, 1024260, 1075473, 1083810, 1109615, 1194970, 1300572, 1331538, 1433964, 1536390, 1553461, 1625715, 1792455, 1997307, 2150946, 2167620, 2219230, 2389940, 2663076, 3072780, 3106922, 3251430, 3328845, 3584910, 3994614, 4301892, 4438460, 4660383, 5377365, 6213844, 6502860, 6657690, 7169820, 7767305, 7989228, 9320766, 9986535, 10754730, 13315380, 13981149, 15534610, 18641532, 19973070, 21509460, 23301915, 27962298, 31069220, 39946140, 46603830, 55924596, 69905745, 93207660, 139811490, 279622980]

約数ペア:

[(1, 279622980), (2, 139811490), (3, 93207660), (4, 69905745), (5, 55924596), (6, 46603830), (7, 39946140), (9, 31069220), (10, 27962298), (12, 23301915), (13, 21509460), (14, 19973070), (15, 18641532), (18, 15534610), (20, 13981149), (21, 13315380), (26, 10754730), (28, 9986535), (30, 9320766), (35, 7989228), (36, 7767305), (39, 7169820), (42, 6657690), (43, 6502860), (45, 6213844), (52, 5377365), (60, 4660383), (63, 4438460), (65, 4301892), (70, 3994614), (78, 3584910), (84, 3328845), (86, 3251430), (90, 3106922), (91, 3072780), (105, 2663076), (117, 2389940), (126, 2219230), (129, 2167620), (130, 2150946), (140, 1997307), (156, 1792455), (172, 1625715), (180, 1553461), (182, 1536390), (195, 1433964), (210, 1331538), (215, 1300572), (234, 1194970), (252, 1109615), (258, 1083810), (260, 1075473), (273, 1024260), (301, 928980), (315, 887692), (364, 768195), (387, 722540), (390, 716982), (397, 704340), (420, 665769), (430, 650286), (455, 614556), (468, 597485), (516, 541905), (546, 512130), (559, 500220), (585, 477988), (602, 464490), (630, 443846), (645, 433524), (774, 361270), (780, 358491), (794, 352170), (819, 341420), (860, 325143), (903, 309660), (910, 307278), (1092, 256065), (1118, 250110), (1170, 238994), (1191, 234780), (1204, 232245), (1260, 221923), (1290, 216762), (1365, 204852), (1505, 185796), (1548, 180635), (1588, 176085), (1638, 170710), (1677, 166740), (1806, 154830), (1820, 153639), (1935, 144508), (1985, 140868), (2236, 125055), (2340, 119497), (2382, 117390), (2580, 108381), (2709, 103220), (2730, 102426), (2779, 100620), (2795, 100044), (3010, 92898), (3276, 85355), (3354, 83370), (3573, 78260), (3612, 77415), (3870, 72254), (3913, 71460), (3970, 70434), (4095, 68284), (4515, 61932), (4764, 58695), (5031, 55580), (5161, 54180), (5418, 51610), (5460, 51213), (5558, 50310), (5590, 50022), (5955, 46956), (6020, 46449), (6708, 41685), (7146, 39130), (7740, 36127), (7826, 35730), (7940, 35217), (8190, 34142), (8337, 33540), (8385, 33348), (9030, 30966), (10062, 27790), (10322, 27090), (10836, 25805), (11116, 25155), (11180, 25011), (11739, 23820), (11910, 23478), (13545, 20644), (13895, 20124), (14292, 19565), (15483, 18060), (15652, 17865), (16380, 17071), (16674, 16770)]