90408780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{593}}^1$

素因数の和:637

約数の個数: 216

約数和(自身を含む): 345080736

約数和(自身を除く): 254671956

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 121, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 242, 252, 308, 315, 330, 363, 385, 396, 420, 462, 484, 495, 593, 605, 630, 660, 693, 726, 770, 847, 924, 990, 1089, 1155, 1186, 1210, 1260, 1386, 1452, 1540, 1694, 1779, 1815, 1980, 2178, 2310, 2372, 2420, 2541, 2772, 2965, 3388, 3465, 3558, 3630, 4151, 4235, 4356, 4620, 5082, 5337, 5445, 5930, 6523, 6930, 7116, 7260, 7623, 8302, 8470, 8895, 10164, 10674, 10890, 11860, 12453, 12705, 13046, 13860, 15246, 16604, 16940, 17790, 19569, 20755, 21348, 21780, 24906, 25410, 26092, 26685, 30492, 32615, 35580, 37359, 38115, 39138, 41510, 45661, 49812, 50820, 53370, 58707, 62265, 65230, 71753, 74718, 76230, 78276, 83020, 91322, 97845, 106740, 117414, 124530, 130460, 136983, 143506, 149436, 152460, 182644, 186795, 195690, 215259, 228305, 234828, 249060, 273966, 287012, 293535, 358765, 373590, 391380, 410949, 430518, 456610, 502271, 547932, 587070, 645777, 684915, 717530, 747180, 821898, 861036, 913220, 1004542, 1076295, 1174140, 1291554, 1369830, 1435060, 1506813, 1643796, 2009084, 2054745, 2152590, 2511355, 2583108, 2739660, 3013626, 3228885, 4109490, 4305180, 4520439, 5022710, 6027252, 6457770, 7534065, 8218980, 9040878, 10045420, 12915540, 15068130, 18081756, 22602195, 30136260, 45204390, 90408780]

約数ペア:

[(1, 90408780), (2, 45204390), (3, 30136260), (4, 22602195), (5, 18081756), (6, 15068130), (7, 12915540), (9, 10045420), (10, 9040878), (11, 8218980), (12, 7534065), (14, 6457770), (15, 6027252), (18, 5022710), (20, 4520439), (21, 4305180), (22, 4109490), (28, 3228885), (30, 3013626), (33, 2739660), (35, 2583108), (36, 2511355), (42, 2152590), (44, 2054745), (45, 2009084), (55, 1643796), (60, 1506813), (63, 1435060), (66, 1369830), (70, 1291554), (77, 1174140), (84, 1076295), (90, 1004542), (99, 913220), (105, 861036), (110, 821898), (121, 747180), (126, 717530), (132, 684915), (140, 645777), (154, 587070), (165, 547932), (180, 502271), (198, 456610), (210, 430518), (220, 410949), (231, 391380), (242, 373590), (252, 358765), (308, 293535), (315, 287012), (330, 273966), (363, 249060), (385, 234828), (396, 228305), (420, 215259), (462, 195690), (484, 186795), (495, 182644), (593, 152460), (605, 149436), (630, 143506), (660, 136983), (693, 130460), (726, 124530), (770, 117414), (847, 106740), (924, 97845), (990, 91322), (1089, 83020), (1155, 78276), (1186, 76230), (1210, 74718), (1260, 71753), (1386, 65230), (1452, 62265), (1540, 58707), (1694, 53370), (1779, 50820), (1815, 49812), (1980, 45661), (2178, 41510), (2310, 39138), (2372, 38115), (2420, 37359), (2541, 35580), (2772, 32615), (2965, 30492), (3388, 26685), (3465, 26092), (3558, 25410), (3630, 24906), (4151, 21780), (4235, 21348), (4356, 20755), (4620, 19569), (5082, 17790), (5337, 16940), (5445, 16604), (5930, 15246), (6523, 13860), (6930, 13046), (7116, 12705), (7260, 12453), (7623, 11860), (8302, 10890), (8470, 10674), (8895, 10164)]