311929380

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 288

約数和(自身を含む): 1149168384

約数和(自身を除く): 837239004

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, 53, 54, 60, 63, 70, 81, 84, 90, 105, 106, 108, 126, 135, 140, 159, 162, 173, 180, 189, 210, 212, 243, 252, 265, 270, 315, 318, 324, 346, 371, 378, 405, 420, 477, 486, 519, 530, 540, 567, 630, 636, 692, 742, 756, 795, 810, 865, 945, 954, 972, 1038, 1060, 1113, 1134, 1211, 1215, 1260, 1431, 1484, 1557, 1590, 1620, 1701, 1730, 1855, 1890, 1908, 2076, 2226, 2268, 2385, 2422, 2430, 2595, 2835, 2862, 3114, 3180, 3339, 3402, 3460, 3633, 3710, 3780, 4293, 4452, 4671, 4770, 4844, 4860, 5190, 5565, 5670, 5724, 6055, 6228, 6678, 6804, 7155, 7266, 7420, 7785, 8505, 8586, 9169, 9342, 9540, 10017, 10380, 10899, 11130, 11340, 12110, 12879, 13356, 14013, 14310, 14532, 15570, 16695, 17010, 17172, 18165, 18338, 18684, 20034, 21465, 21798, 22260, 23355, 24220, 25758, 27507, 28026, 28620, 30051, 31140, 32697, 33390, 34020, 36330, 36676, 40068, 42039, 42930, 43596, 45845, 46710, 50085, 51516, 54495, 55014, 56052, 60102, 64183, 64395, 65394, 66780, 70065, 72660, 82521, 84078, 85860, 90153, 91690, 93420, 98091, 100170, 108990, 110028, 120204, 128366, 128790, 130788, 137535, 140130, 150255, 163485, 165042, 168156, 180306, 183380, 192549, 196182, 200340, 210195, 217980, 247563, 256732, 257580, 275070, 280260, 294273, 300510, 320915, 326970, 330084, 360612, 385098, 392364, 412605, 420390, 450765, 490455, 495126, 550140, 577647, 588546, 601020, 641830, 653940, 742689, 770196, 825210, 840780, 901530, 962745, 980910, 990252, 1155294, 1177092, 1237815, 1283660, 1471365, 1485378, 1650420, 1732941, 1803060, 1925490, 1961820, 2228067, 2310588, 2475630, 2888235, 2942730, 2970756, 3465882, 3713445, 3850980, 4456134, 4951260, 5198823, 5776470, 5885460, 6931764, 7426890, 8664705, 8912268, 10397646, 11140335, 11552940, 14853780, 15596469, 17329410, 20795292, 22280670, 25994115, 31192938, 34658820, 44561340, 51988230, 62385876, 77982345, 103976460, 155964690, 311929380]

約数ペア:

[(1, 311929380), (2, 155964690), (3, 103976460), (4, 77982345), (5, 62385876), (6, 51988230), (7, 44561340), (9, 34658820), (10, 31192938), (12, 25994115), (14, 22280670), (15, 20795292), (18, 17329410), (20, 15596469), (21, 14853780), (27, 11552940), (28, 11140335), (30, 10397646), (35, 8912268), (36, 8664705), (42, 7426890), (45, 6931764), (53, 5885460), (54, 5776470), (60, 5198823), (63, 4951260), (70, 4456134), (81, 3850980), (84, 3713445), (90, 3465882), (105, 2970756), (106, 2942730), (108, 2888235), (126, 2475630), (135, 2310588), (140, 2228067), (159, 1961820), (162, 1925490), (173, 1803060), (180, 1732941), (189, 1650420), (210, 1485378), (212, 1471365), (243, 1283660), (252, 1237815), (265, 1177092), (270, 1155294), (315, 990252), (318, 980910), (324, 962745), (346, 901530), (371, 840780), (378, 825210), (405, 770196), (420, 742689), (477, 653940), (486, 641830), (519, 601020), (530, 588546), (540, 577647), (567, 550140), (630, 495126), (636, 490455), (692, 450765), (742, 420390), (756, 412605), (795, 392364), (810, 385098), (865, 360612), (945, 330084), (954, 326970), (972, 320915), (1038, 300510), (1060, 294273), (1113, 280260), (1134, 275070), (1211, 257580), (1215, 256732), (1260, 247563), (1431, 217980), (1484, 210195), (1557, 200340), (1590, 196182), (1620, 192549), (1701, 183380), (1730, 180306), (1855, 168156), (1890, 165042), (1908, 163485), (2076, 150255), (2226, 140130), (2268, 137535), (2385, 130788), (2422, 128790), (2430, 128366), (2595, 120204), (2835, 110028), (2862, 108990), (3114, 100170), (3180, 98091), (3339, 93420), (3402, 91690), (3460, 90153), (3633, 85860), (3710, 84078), (3780, 82521), (4293, 72660), (4452, 70065), (4671, 66780), (4770, 65394), (4844, 64395), (4860, 64183), (5190, 60102), (5565, 56052), (5670, 55014), (5724, 54495), (6055, 51516), (6228, 50085), (6678, 46710), (6804, 45845), (7155, 43596), (7266, 42930), (7420, 42039), (7785, 40068), (8505, 36676), (8586, 36330), (9169, 34020), (9342, 33390), (9540, 32697), (10017, 31140), (10380, 30051), (10899, 28620), (11130, 28026), (11340, 27507), (12110, 25758), (12879, 24220), (13356, 23355), (14013, 22260), (14310, 21798), (14532, 21465), (15570, 20034), (16695, 18684), (17010, 18338), (17172, 18165)]