287490840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3761}}^1$

素因数の和:3802

約数の個数: 192

約数和(自身を含む): 1080747360

約数和(自身を除く): 793256520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 260, 273, 280, 294, 312, 364, 390, 392, 420, 455, 490, 520, 546, 588, 637, 728, 735, 780, 840, 910, 980, 1092, 1176, 1274, 1365, 1470, 1560, 1820, 1911, 1960, 2184, 2548, 2730, 2940, 3185, 3640, 3761, 3822, 5096, 5460, 5880, 6370, 7522, 7644, 9555, 10920, 11283, 12740, 15044, 15288, 18805, 19110, 22566, 25480, 26327, 30088, 37610, 38220, 45132, 48893, 52654, 56415, 75220, 76440, 78981, 90264, 97786, 105308, 112830, 131635, 146679, 150440, 157962, 184289, 195572, 210616, 225660, 244465, 263270, 293358, 315924, 342251, 368578, 391144, 394905, 451320, 488930, 526540, 552867, 586716, 631848, 684502, 733395, 737156, 789810, 921445, 977860, 1026753, 1053080, 1105734, 1173432, 1369004, 1466790, 1474312, 1579620, 1711255, 1842890, 1955720, 2053506, 2211468, 2395757, 2738008, 2764335, 2933580, 3159240, 3422510, 3685780, 4107012, 4422936, 4791514, 5133765, 5528670, 5867160, 6845020, 7187271, 7371560, 8214024, 9583028, 10267530, 11057340, 11978785, 13690040, 14374542, 19166056, 20535060, 22114680, 23957570, 28749084, 35936355, 41070120, 47915140, 57498168, 71872710, 95830280, 143745420, 287490840]

約数ペア:

[(1, 287490840), (2, 143745420), (3, 95830280), (4, 71872710), (5, 57498168), (6, 47915140), (7, 41070120), (8, 35936355), (10, 28749084), (12, 23957570), (13, 22114680), (14, 20535060), (15, 19166056), (20, 14374542), (21, 13690040), (24, 11978785), (26, 11057340), (28, 10267530), (30, 9583028), (35, 8214024), (39, 7371560), (40, 7187271), (42, 6845020), (49, 5867160), (52, 5528670), (56, 5133765), (60, 4791514), (65, 4422936), (70, 4107012), (78, 3685780), (84, 3422510), (91, 3159240), (98, 2933580), (104, 2764335), (105, 2738008), (120, 2395757), (130, 2211468), (140, 2053506), (147, 1955720), (156, 1842890), (168, 1711255), (182, 1579620), (195, 1474312), (196, 1466790), (210, 1369004), (245, 1173432), (260, 1105734), (273, 1053080), (280, 1026753), (294, 977860), (312, 921445), (364, 789810), (390, 737156), (392, 733395), (420, 684502), (455, 631848), (490, 586716), (520, 552867), (546, 526540), (588, 488930), (637, 451320), (728, 394905), (735, 391144), (780, 368578), (840, 342251), (910, 315924), (980, 293358), (1092, 263270), (1176, 244465), (1274, 225660), (1365, 210616), (1470, 195572), (1560, 184289), (1820, 157962), (1911, 150440), (1960, 146679), (2184, 131635), (2548, 112830), (2730, 105308), (2940, 97786), (3185, 90264), (3640, 78981), (3761, 76440), (3822, 75220), (5096, 56415), (5460, 52654), (5880, 48893), (6370, 45132), (7522, 38220), (7644, 37610), (9555, 30088), (10920, 26327), (11283, 25480), (12740, 22566), (15044, 19110), (15288, 18805)]