18645840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:114

約数の個数: 240

約数和(自身を含む): 69638400

約数和(自身を除く): 50992560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 29, 30, 36, 38, 40, 45, 47, 48, 57, 58, 60, 72, 76, 80, 87, 90, 94, 95, 114, 116, 120, 141, 144, 145, 152, 171, 174, 180, 188, 190, 228, 232, 235, 240, 261, 282, 285, 290, 304, 342, 348, 360, 376, 380, 423, 435, 456, 464, 470, 522, 551, 564, 570, 580, 684, 696, 705, 720, 752, 760, 846, 855, 870, 893, 912, 940, 1044, 1102, 1128, 1140, 1160, 1305, 1363, 1368, 1392, 1410, 1520, 1653, 1692, 1710, 1740, 1786, 1880, 2088, 2115, 2204, 2256, 2280, 2320, 2610, 2679, 2726, 2736, 2755, 2820, 3306, 3384, 3420, 3480, 3572, 3760, 4089, 4176, 4230, 4408, 4465, 4560, 4959, 5220, 5358, 5452, 5510, 5640, 6612, 6768, 6815, 6840, 6960, 7144, 8037, 8178, 8265, 8460, 8816, 8930, 9918, 10440, 10716, 10904, 11020, 11280, 12267, 13224, 13395, 13630, 13680, 14288, 16074, 16356, 16530, 16920, 17860, 19836, 20445, 20880, 21432, 21808, 22040, 24534, 24795, 25897, 26448, 26790, 27260, 32148, 32712, 33060, 33840, 35720, 39672, 40185, 40890, 42864, 44080, 49068, 49590, 51794, 53580, 54520, 61335, 64296, 65424, 66120, 71440, 77691, 79344, 80370, 81780, 98136, 99180, 103588, 107160, 109040, 122670, 128592, 129485, 132240, 155382, 160740, 163560, 196272, 198360, 207176, 214320, 233073, 245340, 258970, 310764, 321480, 327120, 388455, 396720, 414352, 466146, 490680, 517940, 621528, 642960, 776910, 932292, 981360, 1035880, 1165365, 1243056, 1553820, 1864584, 2071760, 2330730, 3107640, 3729168, 4661460, 6215280, 9322920, 18645840]

約数ペア:

[(1, 18645840), (2, 9322920), (3, 6215280), (4, 4661460), (5, 3729168), (6, 3107640), (8, 2330730), (9, 2071760), (10, 1864584), (12, 1553820), (15, 1243056), (16, 1165365), (18, 1035880), (19, 981360), (20, 932292), (24, 776910), (29, 642960), (30, 621528), (36, 517940), (38, 490680), (40, 466146), (45, 414352), (47, 396720), (48, 388455), (57, 327120), (58, 321480), (60, 310764), (72, 258970), (76, 245340), (80, 233073), (87, 214320), (90, 207176), (94, 198360), (95, 196272), (114, 163560), (116, 160740), (120, 155382), (141, 132240), (144, 129485), (145, 128592), (152, 122670), (171, 109040), (174, 107160), (180, 103588), (188, 99180), (190, 98136), (228, 81780), (232, 80370), (235, 79344), (240, 77691), (261, 71440), (282, 66120), (285, 65424), (290, 64296), (304, 61335), (342, 54520), (348, 53580), (360, 51794), (376, 49590), (380, 49068), (423, 44080), (435, 42864), (456, 40890), (464, 40185), (470, 39672), (522, 35720), (551, 33840), (564, 33060), (570, 32712), (580, 32148), (684, 27260), (696, 26790), (705, 26448), (720, 25897), (752, 24795), (760, 24534), (846, 22040), (855, 21808), (870, 21432), (893, 20880), (912, 20445), (940, 19836), (1044, 17860), (1102, 16920), (1128, 16530), (1140, 16356), (1160, 16074), (1305, 14288), (1363, 13680), (1368, 13630), (1392, 13395), (1410, 13224), (1520, 12267), (1653, 11280), (1692, 11020), (1710, 10904), (1740, 10716), (1786, 10440), (1880, 9918), (2088, 8930), (2115, 8816), (2204, 8460), (2256, 8265), (2280, 8178), (2320, 8037), (2610, 7144), (2679, 6960), (2726, 6840), (2736, 6815), (2755, 6768), (2820, 6612), (3306, 5640), (3384, 5510), (3420, 5452), (3480, 5358), (3572, 5220), (3760, 4959), (4089, 4560), (4176, 4465), (4230, 4408)]